Finding the Fourth Proportional to 71,682.66, 107,511.96 and 21,750.84
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Solution
The fourth proportional to 71,682.66, 107,511.96 and 21,750.84 is: 32,622.61
Step by Step Solution
- Step 1: Write the proportion equation
71,682.66 : 107,511.96 = 21,750.84 : x - Step 2: Convert to fraction form
71,682.66/107,511.96 = 21,750.84/x - Step 3: Cross multiply
71,682.66x = 107,511.96 × 21,750.84 - Step 4: Simplify right side
71,682.66x = 2,338,475,440.05 - Step 5: Solve for x
x = 2,338,475,440.05/71,682.66 - Step 6: Final answer
x = 32,622.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.