Question

Are 30,40,45,60 in proportion ​

Answer 1

Answer:yes ,

30,40,45,60

30:40::45:60

3:4

Step-by-step explanation:

Answer 2

yes, they're

because multiplication of 30×60=40×45

1800=1800. L.H.S=R.H.S

therefore they are in proportion.