Home / 38,929.96-58,394.13-12,634.66

Finding the Fourth Proportional to 38,929.96, 58,394.13 and 12,634.66

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Solution

The fourth proportional to 38,929.96, 58,394.13 and 12,634.66 is: 18,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,929.96 : 58,394.13 = 12,634.66 : x
  2. Step 2: Convert to fraction form
    38,929.96/58,394.13 = 12,634.66/x
  3. Step 3: Cross multiply
    38,929.96x = 58,394.13 × 12,634.66
  4. Step 4: Simplify right side
    38,929.96x = 737,789,978.55
  5. Step 5: Solve for x
    x = 737,789,978.55/38,929.96
  6. Step 6: Final answer
    x = 18,951.73

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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.