Home / 31,618.14-43,635.30-17,470.68

Finding the Fourth Proportional to 31,618.14, 43,635.30 and 17,470.68

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Solution

The fourth proportional to 31,618.14, 43,635.30 and 17,470.68 is: 24,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.14 : 43,635.30 = 17,470.68 : x
  2. Step 2: Convert to fraction form
    31,618.14/43,635.30 = 17,470.68/x
  3. Step 3: Cross multiply
    31,618.14x = 43,635.30 × 17,470.68
  4. Step 4: Simplify right side
    31,618.14x = 762,338,363.00
  5. Step 5: Solve for x
    x = 762,338,363.00/31,618.14
  6. Step 6: Final answer
    x = 24,110.79

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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.