Home / 41,938.28-62,909.16-13,478.12

Finding the Fourth Proportional to 41,938.28, 62,909.16 and 13,478.12

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Solution

The fourth proportional to 41,938.28, 62,909.16 and 13,478.12 is: 20,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,938.28 : 62,909.16 = 13,478.12 : x
  2. Step 2: Convert to fraction form
    41,938.28/62,909.16 = 13,478.12/x
  3. Step 3: Cross multiply
    41,938.28x = 62,909.16 × 13,478.12
  4. Step 4: Simplify right side
    41,938.28x = 847,897,207.58
  5. Step 5: Solve for x
    x = 847,897,207.58/41,938.28
  6. Step 6: Final answer
    x = 20,217.74

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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.