Home / 55,306.10-82,959.15-15,859.70

Finding the Fourth Proportional to 55,306.10, 82,959.15 and 15,859.70

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Solution

The fourth proportional to 55,306.10, 82,959.15 and 15,859.70 is: 23,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.10 : 82,959.15 = 15,859.70 : x
  2. Step 2: Convert to fraction form
    55,306.10/82,959.15 = 15,859.70/x
  3. Step 3: Cross multiply
    55,306.10x = 82,959.15 × 15,859.70
  4. Step 4: Simplify right side
    55,306.10x = 1,315,707,231.26
  5. Step 5: Solve for x
    x = 1,315,707,231.26/55,306.10
  6. Step 6: Final answer
    x = 23,789.55

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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.