Home / 31,251.21-43,126.65-17,104.02

Finding the Fourth Proportional to 31,251.21, 43,126.65 and 17,104.02

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Solution

The fourth proportional to 31,251.21, 43,126.65 and 17,104.02 is: 23,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.21 : 43,126.65 = 17,104.02 : x
  2. Step 2: Convert to fraction form
    31,251.21/43,126.65 = 17,104.02/x
  3. Step 3: Cross multiply
    31,251.21x = 43,126.65 × 17,104.02
  4. Step 4: Simplify right side
    31,251.21x = 737,639,084.13
  5. Step 5: Solve for x
    x = 737,639,084.13/31,251.21
  6. Step 6: Final answer
    x = 23,603.54

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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.