Home / 38,789.46-58,182.30-12,493.62

Finding the Fourth Proportional to 38,789.46, 58,182.30 and 12,493.62

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Solution

The fourth proportional to 38,789.46, 58,182.30 and 12,493.62 is: 18,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.46 : 58,182.30 = 12,493.62 : x
  2. Step 2: Convert to fraction form
    38,789.46/58,182.30 = 12,493.62/x
  3. Step 3: Cross multiply
    38,789.46x = 58,182.30 × 12,493.62
  4. Step 4: Simplify right side
    38,789.46x = 726,907,546.93
  5. Step 5: Solve for x
    x = 726,907,546.93/38,789.46
  6. Step 6: Final answer
    x = 18,739.82

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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.