Home / 55,578.72-83,377.26-18,127.92

Finding the Fourth Proportional to 55,578.72, 83,377.26 and 18,127.92

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Solution

The fourth proportional to 55,578.72, 83,377.26 and 18,127.92 is: 27,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.72 : 83,377.26 = 18,127.92 : x
  2. Step 2: Convert to fraction form
    55,578.72/83,377.26 = 18,127.92/x
  3. Step 3: Cross multiply
    55,578.72x = 83,377.26 × 18,127.92
  4. Step 4: Simplify right side
    55,578.72x = 1,511,456,299.10
  5. Step 5: Solve for x
    x = 1,511,456,299.10/55,578.72
  6. Step 6: Final answer
    x = 27,194.87

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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.