Home / 40,407.47-60,620.39-12,330.04

Finding the Fourth Proportional to 40,407.47, 60,620.39 and 12,330.04

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Solution

The fourth proportional to 40,407.47, 60,620.39 and 12,330.04 is: 18,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,407.47 : 60,620.39 = 12,330.04 : x
  2. Step 2: Convert to fraction form
    40,407.47/60,620.39 = 12,330.04/x
  3. Step 3: Cross multiply
    40,407.47x = 60,620.39 × 12,330.04
  4. Step 4: Simplify right side
    40,407.47x = 747,451,833.52
  5. Step 5: Solve for x
    x = 747,451,833.52/40,407.47
  6. Step 6: Final answer
    x = 18,497.86

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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.