Home / 31,531.74-43,514.37-17,191.68

Finding the Fourth Proportional to 31,531.74, 43,514.37 and 17,191.68

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Solution

The fourth proportional to 31,531.74, 43,514.37 and 17,191.68 is: 23,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531.74 : 43,514.37 = 17,191.68 : x
  2. Step 2: Convert to fraction form
    31,531.74/43,514.37 = 17,191.68/x
  3. Step 3: Cross multiply
    31,531.74x = 43,514.37 × 17,191.68
  4. Step 4: Simplify right side
    31,531.74x = 748,085,124.44
  5. Step 5: Solve for x
    x = 748,085,124.44/31,531.74
  6. Step 6: Final answer
    x = 23,724.83

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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.