Home / 41,831.30-62,742.36-12,249.43

Finding the Fourth Proportional to 41,831.30, 62,742.36 and 12,249.43

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Solution

The fourth proportional to 41,831.30, 62,742.36 and 12,249.43 is: 18,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,831.30 : 62,742.36 = 12,249.43 : x
  2. Step 2: Convert to fraction form
    41,831.30/62,742.36 = 12,249.43/x
  3. Step 3: Cross multiply
    41,831.30x = 62,742.36 × 12,249.43
  4. Step 4: Simplify right side
    41,831.30x = 768,558,146.85
  5. Step 5: Solve for x
    x = 768,558,146.85/41,831.30
  6. Step 6: Final answer
    x = 18,372.80

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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.