Home / 38,719.52-58,066.56-12,418

Finding the Fourth Proportional to 38,719.52, 58,066.56 and 12,418

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Solution

The fourth proportional to 38,719.52, 58,066.56 and 12,418 is: 18,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.52 : 58,066.56 = 12,418 : x
  2. Step 2: Convert to fraction form
    38,719.52/58,066.56 = 12,418/x
  3. Step 3: Cross multiply
    38,719.52x = 58,066.56 × 12,418
  4. Step 4: Simplify right side
    38,719.52x = 721,070,542.08
  5. Step 5: Solve for x
    x = 721,070,542.08/38,719.52
  6. Step 6: Final answer
    x = 18,622.92

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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.