Home / 41,739.20-62,614.92-12,153.20

Finding the Fourth Proportional to 41,739.20, 62,614.92 and 12,153.20

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Solution

The fourth proportional to 41,739.20, 62,614.92 and 12,153.20 is: 18,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,739.20 : 62,614.92 = 12,153.20 : x
  2. Step 2: Convert to fraction form
    41,739.20/62,614.92 = 12,153.20/x
  3. Step 3: Cross multiply
    41,739.20x = 62,614.92 × 12,153.20
  4. Step 4: Simplify right side
    41,739.20x = 760,971,645.74
  5. Step 5: Solve for x
    x = 760,971,645.74/41,739.20
  6. Step 6: Final answer
    x = 18,231.58

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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.