Home / 31,207.88-43,057.44-18,462.53

Finding the Fourth Proportional to 31,207.88, 43,057.44 and 18,462.53

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Solution

The fourth proportional to 31,207.88, 43,057.44 and 18,462.53 is: 25,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.88 : 43,057.44 = 18,462.53 : x
  2. Step 2: Convert to fraction form
    31,207.88/43,057.44 = 18,462.53/x
  3. Step 3: Cross multiply
    31,207.88x = 43,057.44 × 18,462.53
  4. Step 4: Simplify right side
    31,207.88x = 794,949,062.44
  5. Step 5: Solve for x
    x = 794,949,062.44/31,207.88
  6. Step 6: Final answer
    x = 25,472.71

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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.