Home / 34,778.13-52,154.10-12,586.02

Finding the Fourth Proportional to 34,778.13, 52,154.10 and 12,586.02

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Solution

The fourth proportional to 34,778.13, 52,154.10 and 12,586.02 is: 18,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.13 : 52,154.10 = 12,586.02 : x
  2. Step 2: Convert to fraction form
    34,778.13/52,154.10 = 12,586.02/x
  3. Step 3: Cross multiply
    34,778.13x = 52,154.10 × 12,586.02
  4. Step 4: Simplify right side
    34,778.13x = 656,412,545.68
  5. Step 5: Solve for x
    x = 656,412,545.68/34,778.13
  6. Step 6: Final answer
    x = 18,874.29

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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.