Home / 31,375.46-43,298.88-17,228.54

Finding the Fourth Proportional to 31,375.46, 43,298.88 and 17,228.54

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Solution

The fourth proportional to 31,375.46, 43,298.88 and 17,228.54 is: 23,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.46 : 43,298.88 = 17,228.54 : x
  2. Step 2: Convert to fraction form
    31,375.46/43,298.88 = 17,228.54/x
  3. Step 3: Cross multiply
    31,375.46x = 43,298.88 × 17,228.54
  4. Step 4: Simplify right side
    31,375.46x = 745,976,486.04
  5. Step 5: Solve for x
    x = 745,976,486.04/31,375.46
  6. Step 6: Final answer
    x = 23,775.79

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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.