Home / 40,418.30-60,627.47-12,338.52

Finding the Fourth Proportional to 40,418.30, 60,627.47 and 12,338.52

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Solution

The fourth proportional to 40,418.30, 60,627.47 and 12,338.52 is: 18,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.30 : 60,627.47 = 12,338.52 : x
  2. Step 2: Convert to fraction form
    40,418.30/60,627.47 = 12,338.52/x
  3. Step 3: Cross multiply
    40,418.30x = 60,627.47 × 12,338.52
  4. Step 4: Simplify right side
    40,418.30x = 748,052,962.10
  5. Step 5: Solve for x
    x = 748,052,962.10/40,418.30
  6. Step 6: Final answer
    x = 18,507.78

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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.