Home / 45,540.29-68,310.14-14,375.54

Finding the Fourth Proportional to 45,540.29, 68,310.14 and 14,375.54

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Solution

The fourth proportional to 45,540.29, 68,310.14 and 14,375.54 is: 21,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.29 : 68,310.14 = 14,375.54 : x
  2. Step 2: Convert to fraction form
    45,540.29/68,310.14 = 14,375.54/x
  3. Step 3: Cross multiply
    45,540.29x = 68,310.14 × 14,375.54
  4. Step 4: Simplify right side
    45,540.29x = 981,995,248.87
  5. Step 5: Solve for x
    x = 981,995,248.87/45,540.29
  6. Step 6: Final answer
    x = 21,563.22

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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.