Home / 38,311.39-57,520.86-19,604.85

Finding the Fourth Proportional to 38,311.39, 57,520.86 and 19,604.85

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Solution

The fourth proportional to 38,311.39, 57,520.86 and 19,604.85 is: 29,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.39 : 57,520.86 = 19,604.85 : x
  2. Step 2: Convert to fraction form
    38,311.39/57,520.86 = 19,604.85/x
  3. Step 3: Cross multiply
    38,311.39x = 57,520.86 × 19,604.85
  4. Step 4: Simplify right side
    38,311.39x = 1,127,687,832.17
  5. Step 5: Solve for x
    x = 1,127,687,832.17/38,311.39
  6. Step 6: Final answer
    x = 29,434.79

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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.