Home / 31,198.31-46,748.25-11,449.70

Finding the Fourth Proportional to 31,198.31, 46,748.25 and 11,449.70

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Solution

The fourth proportional to 31,198.31, 46,748.25 and 11,449.70 is: 17,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.31 : 46,748.25 = 11,449.70 : x
  2. Step 2: Convert to fraction form
    31,198.31/46,748.25 = 11,449.70/x
  3. Step 3: Cross multiply
    31,198.31x = 46,748.25 × 11,449.70
  4. Step 4: Simplify right side
    31,198.31x = 535,253,204.28
  5. Step 5: Solve for x
    x = 535,253,204.28/31,198.31
  6. Step 6: Final answer
    x = 17,156.48

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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.