Home / 31,780.44-43,855.97-17,634.33

Finding the Fourth Proportional to 31,780.44, 43,855.97 and 17,634.33

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Solution

The fourth proportional to 31,780.44, 43,855.97 and 17,634.33 is: 24,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.44 : 43,855.97 = 17,634.33 : x
  2. Step 2: Convert to fraction form
    31,780.44/43,855.97 = 17,634.33/x
  3. Step 3: Cross multiply
    31,780.44x = 43,855.97 × 17,634.33
  4. Step 4: Simplify right side
    31,780.44x = 773,370,559.28
  5. Step 5: Solve for x
    x = 773,370,559.28/31,780.44
  6. Step 6: Final answer
    x = 24,334.80

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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.