Home / 45,219.44-67,819.91-17,129.81

Finding the Fourth Proportional to 45,219.44, 67,819.91 and 17,129.81

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Solution

The fourth proportional to 45,219.44, 67,819.91 and 17,129.81 is: 25,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.44 : 67,819.91 = 17,129.81 : x
  2. Step 2: Convert to fraction form
    45,219.44/67,819.91 = 17,129.81/x
  3. Step 3: Cross multiply
    45,219.44x = 67,819.91 × 17,129.81
  4. Step 4: Simplify right side
    45,219.44x = 1,161,741,833.42
  5. Step 5: Solve for x
    x = 1,161,741,833.42/45,219.44
  6. Step 6: Final answer
    x = 25,691.21

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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.