Home / 87,933.40-131,898.18-21,373.88

Finding the Fourth Proportional to 87,933.40, 131,898.18 and 21,373.88

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Solution

The fourth proportional to 87,933.40, 131,898.18 and 21,373.88 is: 32,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.40 : 131,898.18 = 21,373.88 : x
  2. Step 2: Convert to fraction form
    87,933.40/131,898.18 = 21,373.88/x
  3. Step 3: Cross multiply
    87,933.40x = 131,898.18 × 21,373.88
  4. Step 4: Simplify right side
    87,933.40x = 2,819,175,871.54
  5. Step 5: Solve for x
    x = 2,819,175,871.54/87,933.40
  6. Step 6: Final answer
    x = 32,060.35

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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.