Home / 33,845.78-46,705.32-20,234.09

Finding the Fourth Proportional to 33,845.78, 46,705.32 and 20,234.09

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Solution

The fourth proportional to 33,845.78, 46,705.32 and 20,234.09 is: 27,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,845.78 : 46,705.32 = 20,234.09 : x
  2. Step 2: Convert to fraction form
    33,845.78/46,705.32 = 20,234.09/x
  3. Step 3: Cross multiply
    33,845.78x = 46,705.32 × 20,234.09
  4. Step 4: Simplify right side
    33,845.78x = 945,039,765.12
  5. Step 5: Solve for x
    x = 945,039,765.12/33,845.78
  6. Step 6: Final answer
    x = 27,921.94

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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.