Home / 31,179.86-43,026.60-17,029.97

Finding the Fourth Proportional to 31,179.86, 43,026.60 and 17,029.97

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Solution

The fourth proportional to 31,179.86, 43,026.60 and 17,029.97 is: 23,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.86 : 43,026.60 = 17,029.97 : x
  2. Step 2: Convert to fraction form
    31,179.86/43,026.60 = 17,029.97/x
  3. Step 3: Cross multiply
    31,179.86x = 43,026.60 × 17,029.97
  4. Step 4: Simplify right side
    31,179.86x = 732,741,406.92
  5. Step 5: Solve for x
    x = 732,741,406.92/31,179.86
  6. Step 6: Final answer
    x = 23,500.48

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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.