Home / 36,830.76-55,265.16-20,198.52

Finding the Fourth Proportional to 36,830.76, 55,265.16 and 20,198.52

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Solution

The fourth proportional to 36,830.76, 55,265.16 and 20,198.52 is: 30,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.76 : 55,265.16 = 20,198.52 : x
  2. Step 2: Convert to fraction form
    36,830.76/55,265.16 = 20,198.52/x
  3. Step 3: Cross multiply
    36,830.76x = 55,265.16 × 20,198.52
  4. Step 4: Simplify right side
    36,830.76x = 1,116,274,439.56
  5. Step 5: Solve for x
    x = 1,116,274,439.56/36,830.76
  6. Step 6: Final answer
    x = 30,308.21

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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.