Home / 39,932.11-55,105.43-22,028.77

Finding the Fourth Proportional to 39,932.11, 55,105.43 and 22,028.77

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Solution

The fourth proportional to 39,932.11, 55,105.43 and 22,028.77 is: 30,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.11 : 55,105.43 = 22,028.77 : x
  2. Step 2: Convert to fraction form
    39,932.11/55,105.43 = 22,028.77/x
  3. Step 3: Cross multiply
    39,932.11x = 55,105.43 × 22,028.77
  4. Step 4: Simplify right side
    39,932.11x = 1,213,904,843.22
  5. Step 5: Solve for x
    x = 1,213,904,843.22/39,932.11
  6. Step 6: Final answer
    x = 30,399.22

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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.