Home / 31,371.05-43,292.15-17,942.64

Finding the Fourth Proportional to 31,371.05, 43,292.15 and 17,942.64

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Solution

The fourth proportional to 31,371.05, 43,292.15 and 17,942.64 is: 24,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.05 : 43,292.15 = 17,942.64 : x
  2. Step 2: Convert to fraction form
    31,371.05/43,292.15 = 17,942.64/x
  3. Step 3: Cross multiply
    31,371.05x = 43,292.15 × 17,942.64
  4. Step 4: Simplify right side
    31,371.05x = 776,775,372.56
  5. Step 5: Solve for x
    x = 776,775,372.56/31,371.05
  6. Step 6: Final answer
    x = 24,760.90

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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.