Home / 20,013.82-30,022.40-5,972.92

Finding the Fourth Proportional to 20,013.82, 30,022.40 and 5,972.92

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Solution

The fourth proportional to 20,013.82, 30,022.40 and 5,972.92 is: 8,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.82 : 30,022.40 = 5,972.92 : x
  2. Step 2: Convert to fraction form
    20,013.82/30,022.40 = 5,972.92/x
  3. Step 3: Cross multiply
    20,013.82x = 30,022.40 × 5,972.92
  4. Step 4: Simplify right side
    20,013.82x = 179,321,333.28
  5. Step 5: Solve for x
    x = 179,321,333.28/20,013.82
  6. Step 6: Final answer
    x = 8,959.88

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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.