Home / 43,367.24-65,044.08-13,781.20

Finding the Fourth Proportional to 43,367.24, 65,044.08 and 13,781.20

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Solution

The fourth proportional to 43,367.24, 65,044.08 and 13,781.20 is: 20,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,367.24 : 65,044.08 = 13,781.20 : x
  2. Step 2: Convert to fraction form
    43,367.24/65,044.08 = 13,781.20/x
  3. Step 3: Cross multiply
    43,367.24x = 65,044.08 × 13,781.20
  4. Step 4: Simplify right side
    43,367.24x = 896,385,475.30
  5. Step 5: Solve for x
    x = 896,385,475.30/43,367.24
  6. Step 6: Final answer
    x = 20,669.65

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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.