Home / 31,408.30-43,343.13-17,067.84

Finding the Fourth Proportional to 31,408.30, 43,343.13 and 17,067.84

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Solution

The fourth proportional to 31,408.30, 43,343.13 and 17,067.84 is: 23,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.30 : 43,343.13 = 17,067.84 : x
  2. Step 2: Convert to fraction form
    31,408.30/43,343.13 = 17,067.84/x
  3. Step 3: Cross multiply
    31,408.30x = 43,343.13 × 17,067.84
  4. Step 4: Simplify right side
    31,408.30x = 739,773,607.94
  5. Step 5: Solve for x
    x = 739,773,607.94/31,408.30
  6. Step 6: Final answer
    x = 23,553.44

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1.5x scale

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.