Home / 87,346.52-131,019.76-21,682.52

Finding the Fourth Proportional to 87,346.52, 131,019.76 and 21,682.52

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Solution

The fourth proportional to 87,346.52, 131,019.76 and 21,682.52 is: 32,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.52 : 131,019.76 = 21,682.52 : x
  2. Step 2: Convert to fraction form
    87,346.52/131,019.76 = 21,682.52/x
  3. Step 3: Cross multiply
    87,346.52x = 131,019.76 × 21,682.52
  4. Step 4: Simplify right side
    87,346.52x = 2,840,838,566.60
  5. Step 5: Solve for x
    x = 2,840,838,566.60/87,346.52
  6. Step 6: Final answer
    x = 32,523.78

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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.