Home / 33,311.91-49,943.16-20,161.20

Finding the Fourth Proportional to 33,311.91, 49,943.16 and 20,161.20

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Solution

The fourth proportional to 33,311.91, 49,943.16 and 20,161.20 is: 30,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.91 : 49,943.16 = 20,161.20 : x
  2. Step 2: Convert to fraction form
    33,311.91/49,943.16 = 20,161.20/x
  3. Step 3: Cross multiply
    33,311.91x = 49,943.16 × 20,161.20
  4. Step 4: Simplify right side
    33,311.91x = 1,006,914,037.39
  5. Step 5: Solve for x
    x = 1,006,914,037.39/33,311.91
  6. Step 6: Final answer
    x = 30,226.85

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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.