Home / 31,265.38-43,147.02-17,118.19

Finding the Fourth Proportional to 31,265.38, 43,147.02 and 17,118.19

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Solution

The fourth proportional to 31,265.38, 43,147.02 and 17,118.19 is: 23,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.38 : 43,147.02 = 17,118.19 : x
  2. Step 2: Convert to fraction form
    31,265.38/43,147.02 = 17,118.19/x
  3. Step 3: Cross multiply
    31,265.38x = 43,147.02 × 17,118.19
  4. Step 4: Simplify right side
    31,265.38x = 738,598,886.29
  5. Step 5: Solve for x
    x = 738,598,886.29/31,265.38
  6. Step 6: Final answer
    x = 23,623.54

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Half scale
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Double scale
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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.