Question

find the value of x from which the following number form a proportion
40 : 30 :: 60 : x​

Answer 1

Answer:

x = 45

Step-by-step explanation:

Product of means= product of extremes

=> 30 * 60 = 40 x

$=> x = \frac{30*60}{40}\\\\x =45$

Answer 2

Answer:

45

Step-by-step explanation:

40/30=60/x

40*x =30*60

x=30*60/40

x=45