Home / 31,481.94-43,435.30-17,867.76

Finding the Fourth Proportional to 31,481.94, 43,435.30 and 17,867.76

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Solution

The fourth proportional to 31,481.94, 43,435.30 and 17,867.76 is: 24,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.94 : 43,435.30 = 17,867.76 : x
  2. Step 2: Convert to fraction form
    31,481.94/43,435.30 = 17,867.76/x
  3. Step 3: Cross multiply
    31,481.94x = 43,435.30 × 17,867.76
  4. Step 4: Simplify right side
    31,481.94x = 776,091,515.93
  5. Step 5: Solve for x
    x = 776,091,515.93/31,481.94
  6. Step 6: Final answer
    x = 24,651.96

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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.