Home / 36,821.68-55,231.60-11,863.44

Finding the Fourth Proportional to 36,821.68, 55,231.60 and 11,863.44

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Solution

The fourth proportional to 36,821.68, 55,231.60 and 11,863.44 is: 17,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.68 : 55,231.60 = 11,863.44 : x
  2. Step 2: Convert to fraction form
    36,821.68/55,231.60 = 11,863.44/x
  3. Step 3: Cross multiply
    36,821.68x = 55,231.60 × 11,863.44
  4. Step 4: Simplify right side
    36,821.68x = 655,236,772.70
  5. Step 5: Solve for x
    x = 655,236,772.70/36,821.68
  6. Step 6: Final answer
    x = 17,794.86

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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.