Home / 33,317.96-45,974.52-18,979.61

Finding the Fourth Proportional to 33,317.96, 45,974.52 and 18,979.61

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Solution

The fourth proportional to 33,317.96, 45,974.52 and 18,979.61 is: 26,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.96 : 45,974.52 = 18,979.61 : x
  2. Step 2: Convert to fraction form
    33,317.96/45,974.52 = 18,979.61/x
  3. Step 3: Cross multiply
    33,317.96x = 45,974.52 × 18,979.61
  4. Step 4: Simplify right side
    33,317.96x = 872,578,229.66
  5. Step 5: Solve for x
    x = 872,578,229.66/33,317.96
  6. Step 6: Final answer
    x = 26,189.43

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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.