Home / 31,255.92-43,134.36-17,829.36

Finding the Fourth Proportional to 31,255.92, 43,134.36 and 17,829.36

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Solution

The fourth proportional to 31,255.92, 43,134.36 and 17,829.36 is: 24,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.92 : 43,134.36 = 17,829.36 : x
  2. Step 2: Convert to fraction form
    31,255.92/43,134.36 = 17,829.36/x
  3. Step 3: Cross multiply
    31,255.92x = 43,134.36 × 17,829.36
  4. Step 4: Simplify right side
    31,255.92x = 769,058,032.81
  5. Step 5: Solve for x
    x = 769,058,032.81/31,255.92
  6. Step 6: Final answer
    x = 24,605.20

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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.