Home / 40,000.76-60,006.82-13,337.72

Finding the Fourth Proportional to 40,000.76, 60,006.82 and 13,337.72

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Solution

The fourth proportional to 40,000.76, 60,006.82 and 13,337.72 is: 20,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.76 : 60,006.82 = 13,337.72 : x
  2. Step 2: Convert to fraction form
    40,000.76/60,006.82 = 13,337.72/x
  3. Step 3: Cross multiply
    40,000.76x = 60,006.82 × 13,337.72
  4. Step 4: Simplify right side
    40,000.76x = 800,354,163.25
  5. Step 5: Solve for x
    x = 800,354,163.25/40,000.76
  6. Step 6: Final answer
    x = 20,008.47

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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.