Home / 31,781.96-43,858.96-17,634.77

Finding the Fourth Proportional to 31,781.96, 43,858.96 and 17,634.77

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Solution

The fourth proportional to 31,781.96, 43,858.96 and 17,634.77 is: 24,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,781.96 : 43,858.96 = 17,634.77 : x
  2. Step 2: Convert to fraction form
    31,781.96/43,858.96 = 17,634.77/x
  3. Step 3: Cross multiply
    31,781.96x = 43,858.96 × 17,634.77
  4. Step 4: Simplify right side
    31,781.96x = 773,442,408.66
  5. Step 5: Solve for x
    x = 773,442,408.66/31,781.96
  6. Step 6: Final answer
    x = 24,335.90

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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.