Home / 87,910.38-131,863.73-21,350.84

Finding the Fourth Proportional to 87,910.38, 131,863.73 and 21,350.84

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Solution

The fourth proportional to 87,910.38, 131,863.73 and 21,350.84 is: 32,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,910.38 : 131,863.73 = 21,350.84 : x
  2. Step 2: Convert to fraction form
    87,910.38/131,863.73 = 21,350.84/x
  3. Step 3: Cross multiply
    87,910.38x = 131,863.73 × 21,350.84
  4. Step 4: Simplify right side
    87,910.38x = 2,815,400,634.96
  5. Step 5: Solve for x
    x = 2,815,400,634.96/87,910.38
  6. Step 6: Final answer
    x = 32,025.80

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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.