Home / 31,512.80-43,487.46-17,365.66

Finding the Fourth Proportional to 31,512.80, 43,487.46 and 17,365.66

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Solution

The fourth proportional to 31,512.80, 43,487.46 and 17,365.66 is: 23,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.80 : 43,487.46 = 17,365.66 : x
  2. Step 2: Convert to fraction form
    31,512.80/43,487.46 = 17,365.66/x
  3. Step 3: Cross multiply
    31,512.80x = 43,487.46 × 17,365.66
  4. Step 4: Simplify right side
    31,512.80x = 755,188,335.90
  5. Step 5: Solve for x
    x = 755,188,335.90/31,512.80
  6. Step 6: Final answer
    x = 23,964.49

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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.