Home / 65,500.82-98,257.17-18,118.88

Finding the Fourth Proportional to 65,500.82, 98,257.17 and 18,118.88

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Solution

The fourth proportional to 65,500.82, 98,257.17 and 18,118.88 is: 27,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,500.82 : 98,257.17 = 18,118.88 : x
  2. Step 2: Convert to fraction form
    65,500.82/98,257.17 = 18,118.88/x
  3. Step 3: Cross multiply
    65,500.82x = 98,257.17 × 18,118.88
  4. Step 4: Simplify right side
    65,500.82x = 1,780,309,872.37
  5. Step 5: Solve for x
    x = 1,780,309,872.37/65,500.82
  6. Step 6: Final answer
    x = 27,179.96

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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.