Home / 31,512.54-43,487.24-17,365.38

Finding the Fourth Proportional to 31,512.54, 43,487.24 and 17,365.38

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Solution

The fourth proportional to 31,512.54, 43,487.24 and 17,365.38 is: 23,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.54 : 43,487.24 = 17,365.38 : x
  2. Step 2: Convert to fraction form
    31,512.54/43,487.24 = 17,365.38/x
  3. Step 3: Cross multiply
    31,512.54x = 43,487.24 × 17,365.38
  4. Step 4: Simplify right side
    31,512.54x = 755,172,447.75
  5. Step 5: Solve for x
    x = 755,172,447.75/31,512.54
  6. Step 6: Final answer
    x = 23,964.19

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1.5x scale

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.