Finding the Fourth Proportional to 44.52, 66.66 and 39.99
Calculator
Solution
The fourth proportional to 44.52, 66.66 and 39.99 is: 59.88
Step by Step Solution
- Step 1: Write the proportion equation
44.52 : 66.66 = 39.99 : x - Step 2: Convert to fraction form
44.52/66.66 = 39.99/x - Step 3: Cross multiply
44.52x = 66.66 × 39.99 - Step 4: Simplify right side
44.52x = 2,665.73 - Step 5: Solve for x
x = 2,665.73/44.52 - Step 6: Final answer
x = 59.88
Related Problems
Find fourth proportional to 22.26, 33.33 and 20.00
Half scale
Find fourth proportional to 89.04, 133.32 and 79.98
Double scale
Find fourth proportional to 45.52, 68.16 and 40.99
Similar ratio
Find fourth proportional to 66.78, 99.99 and 59.99
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.