Home / 31,679.03-43,721.97-18,067.10

Finding the Fourth Proportional to 31,679.03, 43,721.97 and 18,067.10

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Solution

The fourth proportional to 31,679.03, 43,721.97 and 18,067.10 is: 24,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.03 : 43,721.97 = 18,067.10 : x
  2. Step 2: Convert to fraction form
    31,679.03/43,721.97 = 18,067.10/x
  3. Step 3: Cross multiply
    31,679.03x = 43,721.97 × 18,067.10
  4. Step 4: Simplify right side
    31,679.03x = 789,929,204.19
  5. Step 5: Solve for x
    x = 789,929,204.19/31,679.03
  6. Step 6: Final answer
    x = 24,935.40

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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.