Home / 38,179.86-57,262.26-12,876.88

Finding the Fourth Proportional to 38,179.86, 57,262.26 and 12,876.88

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Solution

The fourth proportional to 38,179.86, 57,262.26 and 12,876.88 is: 19,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.86 : 57,262.26 = 12,876.88 : x
  2. Step 2: Convert to fraction form
    38,179.86/57,262.26 = 12,876.88/x
  3. Step 3: Cross multiply
    38,179.86x = 57,262.26 × 12,876.88
  4. Step 4: Simplify right side
    38,179.86x = 737,359,250.55
  5. Step 5: Solve for x
    x = 737,359,250.55/38,179.86
  6. Step 6: Final answer
    x = 19,312.78

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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.