Home / 31,797.72-43,882.32-18,370.74

Finding the Fourth Proportional to 31,797.72, 43,882.32 and 18,370.74

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Solution

The fourth proportional to 31,797.72, 43,882.32 and 18,370.74 is: 25,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.72 : 43,882.32 = 18,370.74 : x
  2. Step 2: Convert to fraction form
    31,797.72/43,882.32 = 18,370.74/x
  3. Step 3: Cross multiply
    31,797.72x = 43,882.32 × 18,370.74
  4. Step 4: Simplify right side
    31,797.72x = 806,150,691.32
  5. Step 5: Solve for x
    x = 806,150,691.32/31,797.72
  6. Step 6: Final answer
    x = 25,352.47

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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.