Home / 39,178.33-54,067.32-22,182.28

Finding the Fourth Proportional to 39,178.33, 54,067.32 and 22,182.28

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Solution

The fourth proportional to 39,178.33, 54,067.32 and 22,182.28 is: 30,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.33 : 54,067.32 = 22,182.28 : x
  2. Step 2: Convert to fraction form
    39,178.33/54,067.32 = 22,182.28/x
  3. Step 3: Cross multiply
    39,178.33x = 54,067.32 × 22,182.28
  4. Step 4: Simplify right side
    39,178.33x = 1,199,336,160.75
  5. Step 5: Solve for x
    x = 1,199,336,160.75/39,178.33
  6. Step 6: Final answer
    x = 30,612.24

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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.