Home / 36,481.68-54,682.92-18,687.96

Finding the Fourth Proportional to 36,481.68, 54,682.92 and 18,687.96

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Solution

The fourth proportional to 36,481.68, 54,682.92 and 18,687.96 is: 28,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.68 : 54,682.92 = 18,687.96 : x
  2. Step 2: Convert to fraction form
    36,481.68/54,682.92 = 18,687.96/x
  3. Step 3: Cross multiply
    36,481.68x = 54,682.92 × 18,687.96
  4. Step 4: Simplify right side
    36,481.68x = 1,021,912,221.64
  5. Step 5: Solve for x
    x = 1,021,912,221.64/36,481.68
  6. Step 6: Final answer
    x = 28,011.65

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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.