Home / 31,797.50-43,882.60-18,369.32

Finding the Fourth Proportional to 31,797.50, 43,882.60 and 18,369.32

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Solution

The fourth proportional to 31,797.50, 43,882.60 and 18,369.32 is: 25,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.50 : 43,882.60 = 18,369.32 : x
  2. Step 2: Convert to fraction form
    31,797.50/43,882.60 = 18,369.32/x
  3. Step 3: Cross multiply
    31,797.50x = 43,882.60 × 18,369.32
  4. Step 4: Simplify right side
    31,797.50x = 806,093,521.83
  5. Step 5: Solve for x
    x = 806,093,521.83/31,797.50
  6. Step 6: Final answer
    x = 25,350.85

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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.