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Finding the Fourth Proportional to 41,065.78, 61,444.86 and 29,246.86

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Solution

The fourth proportional to 41,065.78, 61,444.86 and 29,246.86 is: 43,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,065.78 : 61,444.86 = 29,246.86 : x
  2. Step 2: Convert to fraction form
    41,065.78/61,444.86 = 29,246.86/x
  3. Step 3: Cross multiply
    41,065.78x = 61,444.86 × 29,246.86
  4. Step 4: Simplify right side
    41,065.78x = 1,797,069,218.14
  5. Step 5: Solve for x
    x = 1,797,069,218.14/41,065.78
  6. Step 6: Final answer
    x = 43,760.75

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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.