Home / 47,847.94-71,747.78-27,863.89

Finding the Fourth Proportional to 47,847.94, 71,747.78 and 27,863.89

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Solution

The fourth proportional to 47,847.94, 71,747.78 and 27,863.89 is: 41,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847.94 : 71,747.78 = 27,863.89 : x
  2. Step 2: Convert to fraction form
    47,847.94/71,747.78 = 27,863.89/x
  3. Step 3: Cross multiply
    47,847.94x = 71,747.78 × 27,863.89
  4. Step 4: Simplify right side
    47,847.94x = 1,999,171,930.98
  5. Step 5: Solve for x
    x = 1,999,171,930.98/47,847.94
  6. Step 6: Final answer
    x = 41,781.78

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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.