Home / 31,781.58-43,858.44-17,634.39

Finding the Fourth Proportional to 31,781.58, 43,858.44 and 17,634.39

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Solution

The fourth proportional to 31,781.58, 43,858.44 and 17,634.39 is: 24,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,781.58 : 43,858.44 = 17,634.39 : x
  2. Step 2: Convert to fraction form
    31,781.58/43,858.44 = 17,634.39/x
  3. Step 3: Cross multiply
    31,781.58x = 43,858.44 × 17,634.39
  4. Step 4: Simplify right side
    31,781.58x = 773,416,835.75
  5. Step 5: Solve for x
    x = 773,416,835.75/31,781.58
  6. Step 6: Final answer
    x = 24,335.38

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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.