Home / 55,229.12-82,794-20,144.24

Finding the Fourth Proportional to 55,229.12, 82,794 and 20,144.24

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Solution

The fourth proportional to 55,229.12, 82,794 and 20,144.24 is: 30,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.12 : 82,794 = 20,144.24 : x
  2. Step 2: Convert to fraction form
    55,229.12/82,794 = 20,144.24/x
  3. Step 3: Cross multiply
    55,229.12x = 82,794 × 20,144.24
  4. Step 4: Simplify right side
    55,229.12x = 1,667,822,206.56
  5. Step 5: Solve for x
    x = 1,667,822,206.56/55,229.12
  6. Step 6: Final answer
    x = 30,198.24

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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.