Home / 31,532.25-43,517.58-17,385.09

Finding the Fourth Proportional to 31,532.25, 43,517.58 and 17,385.09

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Solution

The fourth proportional to 31,532.25, 43,517.58 and 17,385.09 is: 23,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.25 : 43,517.58 = 17,385.09 : x
  2. Step 2: Convert to fraction form
    31,532.25/43,517.58 = 17,385.09/x
  3. Step 3: Cross multiply
    31,532.25x = 43,517.58 × 17,385.09
  4. Step 4: Simplify right side
    31,532.25x = 756,557,044.88
  5. Step 5: Solve for x
    x = 756,557,044.88/31,532.25
  6. Step 6: Final answer
    x = 23,993.12

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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.