Home / 38,671.20-57,997.30-12,370.48

Finding the Fourth Proportional to 38,671.20, 57,997.30 and 12,370.48

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Solution

The fourth proportional to 38,671.20, 57,997.30 and 12,370.48 is: 18,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671.20 : 57,997.30 = 12,370.48 : x
  2. Step 2: Convert to fraction form
    38,671.20/57,997.30 = 12,370.48/x
  3. Step 3: Cross multiply
    38,671.20x = 57,997.30 × 12,370.48
  4. Step 4: Simplify right side
    38,671.20x = 717,454,439.70
  5. Step 5: Solve for x
    x = 717,454,439.70/38,671.20
  6. Step 6: Final answer
    x = 18,552.68

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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.