Home / 31,791.12-43,870.18-17,450.60

Finding the Fourth Proportional to 31,791.12, 43,870.18 and 17,450.60

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Solution

The fourth proportional to 31,791.12, 43,870.18 and 17,450.60 is: 24,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.12 : 43,870.18 = 17,450.60 : x
  2. Step 2: Convert to fraction form
    31,791.12/43,870.18 = 17,450.60/x
  3. Step 3: Cross multiply
    31,791.12x = 43,870.18 × 17,450.60
  4. Step 4: Simplify right side
    31,791.12x = 765,560,963.11
  5. Step 5: Solve for x
    x = 765,560,963.11/31,791.12
  6. Step 6: Final answer
    x = 24,080.97

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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.