Home / 31,150.92-42,986.64-17,003.52

Finding the Fourth Proportional to 31,150.92, 42,986.64 and 17,003.52

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Solution

The fourth proportional to 31,150.92, 42,986.64 and 17,003.52 is: 23,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,150.92 : 42,986.64 = 17,003.52 : x
  2. Step 2: Convert to fraction form
    31,150.92/42,986.64 = 17,003.52/x
  3. Step 3: Cross multiply
    31,150.92x = 42,986.64 × 17,003.52
  4. Step 4: Simplify right side
    31,150.92x = 730,924,192.97
  5. Step 5: Solve for x
    x = 730,924,192.97/31,150.92
  6. Step 6: Final answer
    x = 23,463.97

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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.