Home / 39,179.87-54,067.79-22,183.64

Finding the Fourth Proportional to 39,179.87, 54,067.79 and 22,183.64

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Solution

The fourth proportional to 39,179.87, 54,067.79 and 22,183.64 is: 30,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.87 : 54,067.79 = 22,183.64 : x
  2. Step 2: Convert to fraction form
    39,179.87/54,067.79 = 22,183.64/x
  3. Step 3: Cross multiply
    39,179.87x = 54,067.79 × 22,183.64
  4. Step 4: Simplify right side
    39,179.87x = 1,199,420,174.08
  5. Step 5: Solve for x
    x = 1,199,420,174.08/39,179.87
  6. Step 6: Final answer
    x = 30,613.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.