Home / 87,638.60-131,429.10-32,227.40

Finding the Fourth Proportional to 87,638.60, 131,429.10 and 32,227.40

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Solution

The fourth proportional to 87,638.60, 131,429.10 and 32,227.40 is: 48,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,638.60 : 131,429.10 = 32,227.40 : x
  2. Step 2: Convert to fraction form
    87,638.60/131,429.10 = 32,227.40/x
  3. Step 3: Cross multiply
    87,638.60x = 131,429.10 × 32,227.40
  4. Step 4: Simplify right side
    87,638.60x = 4,235,618,177.34
  5. Step 5: Solve for x
    x = 4,235,618,177.34/87,638.60
  6. Step 6: Final answer
    x = 48,330.51

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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.