Home / 38,307.11-57,469.85-12,011.85

Finding the Fourth Proportional to 38,307.11, 57,469.85 and 12,011.85

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Solution

The fourth proportional to 38,307.11, 57,469.85 and 12,011.85 is: 18,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.11 : 57,469.85 = 12,011.85 : x
  2. Step 2: Convert to fraction form
    38,307.11/57,469.85 = 12,011.85/x
  3. Step 3: Cross multiply
    38,307.11x = 57,469.85 × 12,011.85
  4. Step 4: Simplify right side
    38,307.11x = 690,319,157.66
  5. Step 5: Solve for x
    x = 690,319,157.66/38,307.11
  6. Step 6: Final answer
    x = 18,020.66

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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.