Home / 41,905.07-62,844.17-13,818.81

Finding the Fourth Proportional to 41,905.07, 62,844.17 and 13,818.81

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Solution

The fourth proportional to 41,905.07, 62,844.17 and 13,818.81 is: 20,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,905.07 : 62,844.17 = 13,818.81 : x
  2. Step 2: Convert to fraction form
    41,905.07/62,844.17 = 13,818.81/x
  3. Step 3: Cross multiply
    41,905.07x = 62,844.17 × 13,818.81
  4. Step 4: Simplify right side
    41,905.07x = 868,431,575.74
  5. Step 5: Solve for x
    x = 868,431,575.74/41,905.07
  6. Step 6: Final answer
    x = 20,723.79

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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.