Home / 40,308.90-60,463.50-12,229.19

Finding the Fourth Proportional to 40,308.90, 60,463.50 and 12,229.19

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Solution

The fourth proportional to 40,308.90, 60,463.50 and 12,229.19 is: 18,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,308.90 : 60,463.50 = 12,229.19 : x
  2. Step 2: Convert to fraction form
    40,308.90/60,463.50 = 12,229.19/x
  3. Step 3: Cross multiply
    40,308.90x = 60,463.50 × 12,229.19
  4. Step 4: Simplify right side
    40,308.90x = 739,419,734.86
  5. Step 5: Solve for x
    x = 739,419,734.86/40,308.90
  6. Step 6: Final answer
    x = 18,343.83

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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.