Home / 20,132.20-30,161.85-16,414.30

Finding the Fourth Proportional to 20,132.20, 30,161.85 and 16,414.30

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Solution

The fourth proportional to 20,132.20, 30,161.85 and 16,414.30 is: 24,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.20 : 30,161.85 = 16,414.30 : x
  2. Step 2: Convert to fraction form
    20,132.20/30,161.85 = 16,414.30/x
  3. Step 3: Cross multiply
    20,132.20x = 30,161.85 × 16,414.30
  4. Step 4: Simplify right side
    20,132.20x = 495,085,654.46
  5. Step 5: Solve for x
    x = 495,085,654.46/20,132.20
  6. Step 6: Final answer
    x = 24,591.73

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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.