Home / 55,150.91-82,686.03-17,689.66

Finding the Fourth Proportional to 55,150.91, 82,686.03 and 17,689.66

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Solution

The fourth proportional to 55,150.91, 82,686.03 and 17,689.66 is: 26,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.91 : 82,686.03 = 17,689.66 : x
  2. Step 2: Convert to fraction form
    55,150.91/82,686.03 = 17,689.66/x
  3. Step 3: Cross multiply
    55,150.91x = 82,686.03 × 17,689.66
  4. Step 4: Simplify right side
    55,150.91x = 1,462,687,757.45
  5. Step 5: Solve for x
    x = 1,462,687,757.45/55,150.91
  6. Step 6: Final answer
    x = 26,521.55

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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.