Home / 31,295.88-43,188.84-17,147.79

Finding the Fourth Proportional to 31,295.88, 43,188.84 and 17,147.79

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Solution

The fourth proportional to 31,295.88, 43,188.84 and 17,147.79 is: 23,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.88 : 43,188.84 = 17,147.79 : x
  2. Step 2: Convert to fraction form
    31,295.88/43,188.84 = 17,147.79/x
  3. Step 3: Cross multiply
    31,295.88x = 43,188.84 × 17,147.79
  4. Step 4: Simplify right side
    31,295.88x = 740,593,158.66
  5. Step 5: Solve for x
    x = 740,593,158.66/31,295.88
  6. Step 6: Final answer
    x = 23,664.24

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Similar ratio
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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.