Home / 39,198.07-54,090.11-23,062.78

Finding the Fourth Proportional to 39,198.07, 54,090.11 and 23,062.78

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Solution

The fourth proportional to 39,198.07, 54,090.11 and 23,062.78 is: 31,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.07 : 54,090.11 = 23,062.78 : x
  2. Step 2: Convert to fraction form
    39,198.07/54,090.11 = 23,062.78/x
  3. Step 3: Cross multiply
    39,198.07x = 54,090.11 × 23,062.78
  4. Step 4: Simplify right side
    39,198.07x = 1,247,468,185.12
  5. Step 5: Solve for x
    x = 1,247,468,185.12/39,198.07
  6. Step 6: Final answer
    x = 31,824.73

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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.