Home / 41,811.79-62,722.13-12,229.78

Finding the Fourth Proportional to 41,811.79, 62,722.13 and 12,229.78

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Solution

The fourth proportional to 41,811.79, 62,722.13 and 12,229.78 is: 18,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,811.79 : 62,722.13 = 12,229.78 : x
  2. Step 2: Convert to fraction form
    41,811.79/62,722.13 = 12,229.78/x
  3. Step 3: Cross multiply
    41,811.79x = 62,722.13 × 12,229.78
  4. Step 4: Simplify right side
    41,811.79x = 767,077,724.80
  5. Step 5: Solve for x
    x = 767,077,724.80/41,811.79
  6. Step 6: Final answer
    x = 18,345.97

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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.