Home / 31,346.65-43,257.04-17,198.56

Finding the Fourth Proportional to 31,346.65, 43,257.04 and 17,198.56

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Solution

The fourth proportional to 31,346.65, 43,257.04 and 17,198.56 is: 23,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.65 : 43,257.04 = 17,198.56 : x
  2. Step 2: Convert to fraction form
    31,346.65/43,257.04 = 17,198.56/x
  3. Step 3: Cross multiply
    31,346.65x = 43,257.04 × 17,198.56
  4. Step 4: Simplify right side
    31,346.65x = 743,958,797.86
  5. Step 5: Solve for x
    x = 743,958,797.86/31,346.65
  6. Step 6: Final answer
    x = 23,733.28

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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.