Home / 31,843.92-43,942.68-17,696.28

Finding the Fourth Proportional to 31,843.92, 43,942.68 and 17,696.28

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Solution

The fourth proportional to 31,843.92, 43,942.68 and 17,696.28 is: 24,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.92 : 43,942.68 = 17,696.28 : x
  2. Step 2: Convert to fraction form
    31,843.92/43,942.68 = 17,696.28/x
  3. Step 3: Cross multiply
    31,843.92x = 43,942.68 × 17,696.28
  4. Step 4: Simplify right side
    31,843.92x = 777,621,969.23
  5. Step 5: Solve for x
    x = 777,621,969.23/31,843.92
  6. Step 6: Final answer
    x = 24,419.79

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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.