Home / 39,919.66-55,093.24-25,393.92

Finding the Fourth Proportional to 39,919.66, 55,093.24 and 25,393.92

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Solution

The fourth proportional to 39,919.66, 55,093.24 and 25,393.92 is: 35,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.66 : 55,093.24 = 25,393.92 : x
  2. Step 2: Convert to fraction form
    39,919.66/55,093.24 = 25,393.92/x
  3. Step 3: Cross multiply
    39,919.66x = 55,093.24 × 25,393.92
  4. Step 4: Simplify right side
    39,919.66x = 1,399,033,329.10
  5. Step 5: Solve for x
    x = 1,399,033,329.10/39,919.66
  6. Step 6: Final answer
    x = 35,046.22

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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.