Home / 31,531.48-43,512.84-17,191.44

Finding the Fourth Proportional to 31,531.48, 43,512.84 and 17,191.44

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Solution

The fourth proportional to 31,531.48, 43,512.84 and 17,191.44 is: 23,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531.48 : 43,512.84 = 17,191.44 : x
  2. Step 2: Convert to fraction form
    31,531.48/43,512.84 = 17,191.44/x
  3. Step 3: Cross multiply
    31,531.48x = 43,512.84 × 17,191.44
  4. Step 4: Simplify right side
    31,531.48x = 748,048,378.09
  5. Step 5: Solve for x
    x = 748,048,378.09/31,531.48
  6. Step 6: Final answer
    x = 23,723.86

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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.