Home / 39,863.52-54,990.54-23,719.36

Finding the Fourth Proportional to 39,863.52, 54,990.54 and 23,719.36

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Solution

The fourth proportional to 39,863.52, 54,990.54 and 23,719.36 is: 32,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.52 : 54,990.54 = 23,719.36 : x
  2. Step 2: Convert to fraction form
    39,863.52/54,990.54 = 23,719.36/x
  3. Step 3: Cross multiply
    39,863.52x = 54,990.54 × 23,719.36
  4. Step 4: Simplify right side
    39,863.52x = 1,304,340,414.85
  5. Step 5: Solve for x
    x = 1,304,340,414.85/39,863.52
  6. Step 6: Final answer
    x = 32,720.15

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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.