Home / 31,852.12-43,956.78-17,512.56

Finding the Fourth Proportional to 31,852.12, 43,956.78 and 17,512.56

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Solution

The fourth proportional to 31,852.12, 43,956.78 and 17,512.56 is: 24,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.12 : 43,956.78 = 17,512.56 : x
  2. Step 2: Convert to fraction form
    31,852.12/43,956.78 = 17,512.56/x
  3. Step 3: Cross multiply
    31,852.12x = 43,956.78 × 17,512.56
  4. Step 4: Simplify right side
    31,852.12x = 769,795,747.16
  5. Step 5: Solve for x
    x = 769,795,747.16/31,852.12
  6. Step 6: Final answer
    x = 24,167.80

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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.