Home / 31,721.14-43,775.94-17,575.03

Finding the Fourth Proportional to 31,721.14, 43,775.94 and 17,575.03

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Solution

The fourth proportional to 31,721.14, 43,775.94 and 17,575.03 is: 24,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.14 : 43,775.94 = 17,575.03 : x
  2. Step 2: Convert to fraction form
    31,721.14/43,775.94 = 17,575.03/x
  3. Step 3: Cross multiply
    31,721.14x = 43,775.94 × 17,575.03
  4. Step 4: Simplify right side
    31,721.14x = 769,363,458.78
  5. Step 5: Solve for x
    x = 769,363,458.78/31,721.14
  6. Step 6: Final answer
    x = 24,253.97

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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.