Home / 38,311.91-57,468.48-12,016.88

Finding the Fourth Proportional to 38,311.91, 57,468.48 and 12,016.88

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Solution

The fourth proportional to 38,311.91, 57,468.48 and 12,016.88 is: 18,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.91 : 57,468.48 = 12,016.88 : x
  2. Step 2: Convert to fraction form
    38,311.91/57,468.48 = 12,016.88/x
  3. Step 3: Cross multiply
    38,311.91x = 57,468.48 × 12,016.88
  4. Step 4: Simplify right side
    38,311.91x = 690,591,827.94
  5. Step 5: Solve for x
    x = 690,591,827.94/38,311.91
  6. Step 6: Final answer
    x = 18,025.51

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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.