Question

3. First, second and third terms of a proportion are 50, 40, 20 respectively.
Find the fourth term.​

Answer 1

Answer:

-10

Step-by-step explanation:

AS IN FIRST 50 GET 10 subtracted from it

then in second 40 get 20 subtracted so we can observe that this AP has d is getting increased by 10 evry time so simple the answer will be -10

Answer 2

Answer:

18

Step-by-step explanation:

first put it like this

50 20

× ------

40 x

50x = 40×20

x = 40×20

------------

50

cut the 0 from one of the no. with 50 then cut the 20/40 with 5

and then multiply them and the ans will be 18