Finding the Fourth Proportional to 81,591.85, 122,384.69 and 22,425.99
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Solution
The fourth proportional to 81,591.85, 122,384.69 and 22,425.99 is: 33,638.14
Step by Step Solution
- Step 1: Write the proportion equation
81,591.85 : 122,384.69 = 22,425.99 : x - Step 2: Convert to fraction form
81,591.85/122,384.69 = 22,425.99/x - Step 3: Cross multiply
81,591.85x = 122,384.69 × 22,425.99 - Step 4: Simplify right side
81,591.85x = 2,744,597,834.09 - Step 5: Solve for x
x = 2,744,597,834.09/81,591.85 - Step 6: Final answer
x = 33,638.14
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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.