Finding the Fourth Proportional to 45,930.75, 68,896.13 and 14,766
Calculator
Solution
The fourth proportional to 45,930.75, 68,896.13 and 14,766 is: 22,149
Step by Step Solution
- Step 1: Write the proportion equation
45,930.75 : 68,896.13 = 14,766 : x - Step 2: Convert to fraction form
45,930.75/68,896.13 = 14,766/x - Step 3: Cross multiply
45,930.75x = 68,896.13 × 14,766 - Step 4: Simplify right side
45,930.75x = 1,017,320,181.75 - Step 5: Solve for x
x = 1,017,320,181.75/45,930.75 - Step 6: Final answer
x = 22,149
Related Problems
Find fourth proportional to 22,965.38, 34,448.06 and 7,383
Half scale
Find fourth proportional to 91,861.50, 137,792.25 and 29,532
Double scale
Find fourth proportional to 45,931.75, 68,897.63 and 14,767
Similar ratio
Find fourth proportional to 68,896.13, 103,344.19 and 22,149
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.