Home / 31,213.26-46,821.25-9,028.88

Finding the Fourth Proportional to 31,213.26, 46,821.25 and 9,028.88

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Solution

The fourth proportional to 31,213.26, 46,821.25 and 9,028.88 is: 13,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.26 : 46,821.25 = 9,028.88 : x
  2. Step 2: Convert to fraction form
    31,213.26/46,821.25 = 9,028.88/x
  3. Step 3: Cross multiply
    31,213.26x = 46,821.25 × 9,028.88
  4. Step 4: Simplify right side
    31,213.26x = 422,743,213.59
  5. Step 5: Solve for x
    x = 422,743,213.59/31,213.26
  6. Step 6: Final answer
    x = 13,543.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.