Question

are 30,40,45,60 in proportion ?​

Answer 1

Answer:

let us solve this equation,

30/40 = 3/4 -------(1)

45/60 = 3/4 -------(2)

From (1) and (2)

30,50,45,60 are in proportion.

Answer 2

Answer:

These are in proportion

Step-by-step explanation:

30:40:45:60

=30×60 =40×45

= 1800=1800