Home / 31,855.26-43,956.43-17,512.73

Finding the Fourth Proportional to 31,855.26, 43,956.43 and 17,512.73

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Solution

The fourth proportional to 31,855.26, 43,956.43 and 17,512.73 is: 24,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,855.26 : 43,956.43 = 17,512.73 : x
  2. Step 2: Convert to fraction form
    31,855.26/43,956.43 = 17,512.73/x
  3. Step 3: Cross multiply
    31,855.26x = 43,956.43 × 17,512.73
  4. Step 4: Simplify right side
    31,855.26x = 769,797,090.35
  5. Step 5: Solve for x
    x = 769,797,090.35/31,855.26
  6. Step 6: Final answer
    x = 24,165.46

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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.