Home / 55,199.91-82,726.95-20,105.85

Finding the Fourth Proportional to 55,199.91, 82,726.95 and 20,105.85

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Solution

The fourth proportional to 55,199.91, 82,726.95 and 20,105.85 is: 30,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,199.91 : 82,726.95 = 20,105.85 : x
  2. Step 2: Convert to fraction form
    55,199.91/82,726.95 = 20,105.85/x
  3. Step 3: Cross multiply
    55,199.91x = 82,726.95 × 20,105.85
  4. Step 4: Simplify right side
    55,199.91x = 1,663,296,033.28
  5. Step 5: Solve for x
    x = 1,663,296,033.28/55,199.91
  6. Step 6: Final answer
    x = 30,132.22

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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.