Home / 31,188.62-43,040.36-17,759.89

Finding the Fourth Proportional to 31,188.62, 43,040.36 and 17,759.89

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Solution

The fourth proportional to 31,188.62, 43,040.36 and 17,759.89 is: 24,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.62 : 43,040.36 = 17,759.89 : x
  2. Step 2: Convert to fraction form
    31,188.62/43,040.36 = 17,759.89/x
  3. Step 3: Cross multiply
    31,188.62x = 43,040.36 × 17,759.89
  4. Step 4: Simplify right side
    31,188.62x = 764,391,843.96
  5. Step 5: Solve for x
    x = 764,391,843.96/31,188.62
  6. Step 6: Final answer
    x = 24,508.68

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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.