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Finding the Fourth Proportional to 69,239.97, 103,869 and 24,871.68

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Solution

The fourth proportional to 69,239.97, 103,869 and 24,871.68 is: 37,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,239.97 : 103,869 = 24,871.68 : x
  2. Step 2: Convert to fraction form
    69,239.97/103,869 = 24,871.68/x
  3. Step 3: Cross multiply
    69,239.97x = 103,869 × 24,871.68
  4. Step 4: Simplify right side
    69,239.97x = 2,583,396,529.92
  5. Step 5: Solve for x
    x = 2,583,396,529.92/69,239.97
  6. Step 6: Final answer
    x = 37,310.77

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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.