Home / 47,705.15-71,548.92-18,115.85

Finding the Fourth Proportional to 47,705.15, 71,548.92 and 18,115.85

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Solution

The fourth proportional to 47,705.15, 71,548.92 and 18,115.85 is: 27,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,705.15 : 71,548.92 = 18,115.85 : x
  2. Step 2: Convert to fraction form
    47,705.15/71,548.92 = 18,115.85/x
  3. Step 3: Cross multiply
    47,705.15x = 71,548.92 × 18,115.85
  4. Step 4: Simplify right side
    47,705.15x = 1,296,169,681.25
  5. Step 5: Solve for x
    x = 1,296,169,681.25/47,705.15
  6. Step 6: Final answer
    x = 27,170.43

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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.