Home / 36,150.80-54,154.20-31,821.20

Finding the Fourth Proportional to 36,150.80, 54,154.20 and 31,821.20

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Solution

The fourth proportional to 36,150.80, 54,154.20 and 31,821.20 is: 47,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.80 : 54,154.20 = 31,821.20 : x
  2. Step 2: Convert to fraction form
    36,150.80/54,154.20 = 31,821.20/x
  3. Step 3: Cross multiply
    36,150.80x = 54,154.20 × 31,821.20
  4. Step 4: Simplify right side
    36,150.80x = 1,723,251,629.04
  5. Step 5: Solve for x
    x = 1,723,251,629.04/36,150.80
  6. Step 6: Final answer
    x = 47,668.42

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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.