Home / 31,339.53-43,249.46-17,912.97

Finding the Fourth Proportional to 31,339.53, 43,249.46 and 17,912.97

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Solution

The fourth proportional to 31,339.53, 43,249.46 and 17,912.97 is: 24,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.53 : 43,249.46 = 17,912.97 : x
  2. Step 2: Convert to fraction form
    31,339.53/43,249.46 = 17,912.97/x
  3. Step 3: Cross multiply
    31,339.53x = 43,249.46 × 17,912.97
  4. Step 4: Simplify right side
    31,339.53x = 774,726,189.93
  5. Step 5: Solve for x
    x = 774,726,189.93/31,339.53
  6. Step 6: Final answer
    x = 24,720.42

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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.