Home / 36,108.92-54,169.14-12,731.96

Finding the Fourth Proportional to 36,108.92, 54,169.14 and 12,731.96

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Solution

The fourth proportional to 36,108.92, 54,169.14 and 12,731.96 is: 19,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.92 : 54,169.14 = 12,731.96 : x
  2. Step 2: Convert to fraction form
    36,108.92/54,169.14 = 12,731.96/x
  3. Step 3: Cross multiply
    36,108.92x = 54,169.14 × 12,731.96
  4. Step 4: Simplify right side
    36,108.92x = 689,679,323.71
  5. Step 5: Solve for x
    x = 689,679,323.71/36,108.92
  6. Step 6: Final answer
    x = 19,099.97

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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.