Finding the Fourth Proportional to 39,263.53, 54,187.18 and 23,130.99
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Solution
The fourth proportional to 39,263.53, 54,187.18 and 23,130.99 is: 31,922.83
Step by Step Solution
- Step 1: Write the proportion equation
39,263.53 : 54,187.18 = 23,130.99 : x - Step 2: Convert to fraction form
39,263.53/54,187.18 = 23,130.99/x - Step 3: Cross multiply
39,263.53x = 54,187.18 × 23,130.99 - Step 4: Simplify right side
39,263.53x = 1,253,403,118.71 - Step 5: Solve for x
x = 1,253,403,118.71/39,263.53 - Step 6: Final answer
x = 31,922.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.