Home / 47,786.53-71,691.99-28,081.66

Finding the Fourth Proportional to 47,786.53, 71,691.99 and 28,081.66

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Solution

The fourth proportional to 47,786.53, 71,691.99 and 28,081.66 is: 42,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,786.53 : 71,691.99 = 28,081.66 : x
  2. Step 2: Convert to fraction form
    47,786.53/71,691.99 = 28,081.66/x
  3. Step 3: Cross multiply
    47,786.53x = 71,691.99 × 28,081.66
  4. Step 4: Simplify right side
    47,786.53x = 2,013,230,087.90
  5. Step 5: Solve for x
    x = 2,013,230,087.90/47,786.53
  6. Step 6: Final answer
    x = 42,129.66

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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.