Home / 31,167.64-43,010.82-17,020.12

Finding the Fourth Proportional to 31,167.64, 43,010.82 and 17,020.12

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Solution

The fourth proportional to 31,167.64, 43,010.82 and 17,020.12 is: 23,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167.64 : 43,010.82 = 17,020.12 : x
  2. Step 2: Convert to fraction form
    31,167.64/43,010.82 = 17,020.12/x
  3. Step 3: Cross multiply
    31,167.64x = 43,010.82 × 17,020.12
  4. Step 4: Simplify right side
    31,167.64x = 732,049,317.70
  5. Step 5: Solve for x
    x = 732,049,317.70/31,167.64
  6. Step 6: Final answer
    x = 23,487.48

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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.