Home / 31,186.28-43,034.82-17,036.12

Finding the Fourth Proportional to 31,186.28, 43,034.82 and 17,036.12

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Solution

The fourth proportional to 31,186.28, 43,034.82 and 17,036.12 is: 23,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.28 : 43,034.82 = 17,036.12 : x
  2. Step 2: Convert to fraction form
    31,186.28/43,034.82 = 17,036.12/x
  3. Step 3: Cross multiply
    31,186.28x = 43,034.82 × 17,036.12
  4. Step 4: Simplify right side
    31,186.28x = 733,146,357.70
  5. Step 5: Solve for x
    x = 733,146,357.70/31,186.28
  6. Step 6: Final answer
    x = 23,508.62

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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.