Home / 38,958.22-58,428.93-12,306.29

Finding the Fourth Proportional to 38,958.22, 58,428.93 and 12,306.29

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Solution

The fourth proportional to 38,958.22, 58,428.93 and 12,306.29 is: 18,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,958.22 : 58,428.93 = 12,306.29 : x
  2. Step 2: Convert to fraction form
    38,958.22/58,428.93 = 12,306.29/x
  3. Step 3: Cross multiply
    38,958.22x = 58,428.93 × 12,306.29
  4. Step 4: Simplify right side
    38,958.22x = 719,043,356.97
  5. Step 5: Solve for x
    x = 719,043,356.97/38,958.22
  6. Step 6: Final answer
    x = 18,456.78

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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.