Home / 31,253.12-43,129.26-17,105.96

Finding the Fourth Proportional to 31,253.12, 43,129.26 and 17,105.96

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Solution

The fourth proportional to 31,253.12, 43,129.26 and 17,105.96 is: 23,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.12 : 43,129.26 = 17,105.96 : x
  2. Step 2: Convert to fraction form
    31,253.12/43,129.26 = 17,105.96/x
  3. Step 3: Cross multiply
    31,253.12x = 43,129.26 × 17,105.96
  4. Step 4: Simplify right side
    31,253.12x = 737,767,396.39
  5. Step 5: Solve for x
    x = 737,767,396.39/31,253.12
  6. Step 6: Final answer
    x = 23,606.20

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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.