Home / 31,251.52-43,126.96-17,104.32

Finding the Fourth Proportional to 31,251.52, 43,126.96 and 17,104.32

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Solution

The fourth proportional to 31,251.52, 43,126.96 and 17,104.32 is: 23,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.52 : 43,126.96 = 17,104.32 : x
  2. Step 2: Convert to fraction form
    31,251.52/43,126.96 = 17,104.32/x
  3. Step 3: Cross multiply
    31,251.52x = 43,126.96 × 17,104.32
  4. Step 4: Simplify right side
    31,251.52x = 737,657,324.47
  5. Step 5: Solve for x
    x = 737,657,324.47/31,251.52
  6. Step 6: Final answer
    x = 23,603.89

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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.