Home / 31,309.73-43,207.17-17,162.54

Finding the Fourth Proportional to 31,309.73, 43,207.17 and 17,162.54

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Solution

The fourth proportional to 31,309.73, 43,207.17 and 17,162.54 is: 23,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.73 : 43,207.17 = 17,162.54 : x
  2. Step 2: Convert to fraction form
    31,309.73/43,207.17 = 17,162.54/x
  3. Step 3: Cross multiply
    31,309.73x = 43,207.17 × 17,162.54
  4. Step 4: Simplify right side
    31,309.73x = 741,544,567.38
  5. Step 5: Solve for x
    x = 741,544,567.38/31,309.73
  6. Step 6: Final answer
    x = 23,684.16

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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.