Home / 20,033.31-30,043.89-6,882.69

Finding the Fourth Proportional to 20,033.31, 30,043.89 and 6,882.69

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Solution

The fourth proportional to 20,033.31, 30,043.89 and 6,882.69 is: 10,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.31 : 30,043.89 = 6,882.69 : x
  2. Step 2: Convert to fraction form
    20,033.31/30,043.89 = 6,882.69/x
  3. Step 3: Cross multiply
    20,033.31x = 30,043.89 × 6,882.69
  4. Step 4: Simplify right side
    20,033.31x = 206,782,781.26
  5. Step 5: Solve for x
    x = 206,782,781.26/20,033.31
  6. Step 6: Final answer
    x = 10,321.95

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1.5x scale

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.