Home / 38,311.11-57,402.88-13,337.39

Finding the Fourth Proportional to 38,311.11, 57,402.88 and 13,337.39

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Solution

The fourth proportional to 38,311.11, 57,402.88 and 13,337.39 is: 19,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.11 : 57,402.88 = 13,337.39 : x
  2. Step 2: Convert to fraction form
    38,311.11/57,402.88 = 13,337.39/x
  3. Step 3: Cross multiply
    38,311.11x = 57,402.88 × 13,337.39
  4. Step 4: Simplify right side
    38,311.11x = 765,604,707.85
  5. Step 5: Solve for x
    x = 765,604,707.85/38,311.11
  6. Step 6: Final answer
    x = 19,983.88

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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.