Home / 31,717.39-43,772.67-17,571.55

Finding the Fourth Proportional to 31,717.39, 43,772.67 and 17,571.55

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Solution

The fourth proportional to 31,717.39, 43,772.67 and 17,571.55 is: 24,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.39 : 43,772.67 = 17,571.55 : x
  2. Step 2: Convert to fraction form
    31,717.39/43,772.67 = 17,571.55/x
  3. Step 3: Cross multiply
    31,717.39x = 43,772.67 × 17,571.55
  4. Step 4: Simplify right side
    31,717.39x = 769,153,659.54
  5. Step 5: Solve for x
    x = 769,153,659.54/31,717.39
  6. Step 6: Final answer
    x = 24,250.22

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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.