Home / 31,345.38-43,257.51-17,199.14

Finding the Fourth Proportional to 31,345.38, 43,257.51 and 17,199.14

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Solution

The fourth proportional to 31,345.38, 43,257.51 and 17,199.14 is: 23,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.38 : 43,257.51 = 17,199.14 : x
  2. Step 2: Convert to fraction form
    31,345.38/43,257.51 = 17,199.14/x
  3. Step 3: Cross multiply
    31,345.38x = 43,257.51 × 17,199.14
  4. Step 4: Simplify right side
    31,345.38x = 743,991,754.25
  5. Step 5: Solve for x
    x = 743,991,754.25/31,345.38
  6. Step 6: Final answer
    x = 23,735.29

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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.