Home / 71,998.20-107,997.30-38,672.46

Finding the Fourth Proportional to 71,998.20, 107,997.30 and 38,672.46

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Solution

The fourth proportional to 71,998.20, 107,997.30 and 38,672.46 is: 58,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,998.20 : 107,997.30 = 38,672.46 : x
  2. Step 2: Convert to fraction form
    71,998.20/107,997.30 = 38,672.46/x
  3. Step 3: Cross multiply
    71,998.20x = 107,997.30 × 38,672.46
  4. Step 4: Simplify right side
    71,998.20x = 4,176,521,264.36
  5. Step 5: Solve for x
    x = 4,176,521,264.36/71,998.20
  6. Step 6: Final answer
    x = 58,008.69

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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.