Home / 87,981.28-131,971.76-24,801.28

Finding the Fourth Proportional to 87,981.28, 131,971.76 and 24,801.28

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Solution

The fourth proportional to 87,981.28, 131,971.76 and 24,801.28 is: 37,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,981.28 : 131,971.76 = 24,801.28 : x
  2. Step 2: Convert to fraction form
    87,981.28/131,971.76 = 24,801.28/x
  3. Step 3: Cross multiply
    87,981.28x = 131,971.76 × 24,801.28
  4. Step 4: Simplify right side
    87,981.28x = 3,273,068,571.85
  5. Step 5: Solve for x
    x = 3,273,068,571.85/87,981.28
  6. Step 6: Final answer
    x = 37,201.87

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1.5x scale

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.