Home / 31,726.08-43,781.88-17,578.92

Finding the Fourth Proportional to 31,726.08, 43,781.88 and 17,578.92

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Solution

The fourth proportional to 31,726.08, 43,781.88 and 17,578.92 is: 24,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.08 : 43,781.88 = 17,578.92 : x
  2. Step 2: Convert to fraction form
    31,726.08/43,781.88 = 17,578.92/x
  3. Step 3: Cross multiply
    31,726.08x = 43,781.88 × 17,578.92
  4. Step 4: Simplify right side
    31,726.08x = 769,638,165.97
  5. Step 5: Solve for x
    x = 769,638,165.97/31,726.08
  6. Step 6: Final answer
    x = 24,258.85

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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.