Home / 38,067.13-52,531.32-21,072.11

Finding the Fourth Proportional to 38,067.13, 52,531.32 and 21,072.11

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Solution

The fourth proportional to 38,067.13, 52,531.32 and 21,072.11 is: 29,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.13 : 52,531.32 = 21,072.11 : x
  2. Step 2: Convert to fraction form
    38,067.13/52,531.32 = 21,072.11/x
  3. Step 3: Cross multiply
    38,067.13x = 52,531.32 × 21,072.11
  4. Step 4: Simplify right side
    38,067.13x = 1,106,945,648.12
  5. Step 5: Solve for x
    x = 1,106,945,648.12/38,067.13
  6. Step 6: Final answer
    x = 29,078.78

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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.