Home / 87,747.96-131,624.82-25,419

Finding the Fourth Proportional to 87,747.96, 131,624.82 and 25,419

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Solution

The fourth proportional to 87,747.96, 131,624.82 and 25,419 is: 38,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,747.96 : 131,624.82 = 25,419 : x
  2. Step 2: Convert to fraction form
    87,747.96/131,624.82 = 25,419/x
  3. Step 3: Cross multiply
    87,747.96x = 131,624.82 × 25,419
  4. Step 4: Simplify right side
    87,747.96x = 3,345,771,299.58
  5. Step 5: Solve for x
    x = 3,345,771,299.58/87,747.96
  6. Step 6: Final answer
    x = 38,129.33

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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.