Home / 31,512.62-43,489.53-17,365.47

Finding the Fourth Proportional to 31,512.62, 43,489.53 and 17,365.47

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Solution

The fourth proportional to 31,512.62, 43,489.53 and 17,365.47 is: 23,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.62 : 43,489.53 = 17,365.47 : x
  2. Step 2: Convert to fraction form
    31,512.62/43,489.53 = 17,365.47/x
  3. Step 3: Cross multiply
    31,512.62x = 43,489.53 × 17,365.47
  4. Step 4: Simplify right side
    31,512.62x = 755,215,965.44
  5. Step 5: Solve for x
    x = 755,215,965.44/31,512.62
  6. Step 6: Final answer
    x = 23,965.51

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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.