Home / 36,150.29-54,231.50-12,456.86

Finding the Fourth Proportional to 36,150.29, 54,231.50 and 12,456.86

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Solution

The fourth proportional to 36,150.29, 54,231.50 and 12,456.86 is: 18,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.29 : 54,231.50 = 12,456.86 : x
  2. Step 2: Convert to fraction form
    36,150.29/54,231.50 = 12,456.86/x
  3. Step 3: Cross multiply
    36,150.29x = 54,231.50 × 12,456.86
  4. Step 4: Simplify right side
    36,150.29x = 675,554,369.81
  5. Step 5: Solve for x
    x = 675,554,369.81/36,150.29
  6. Step 6: Final answer
    x = 18,687.39

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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.