Home / 33,091.08-45,665.42-20,166.62

Finding the Fourth Proportional to 33,091.08, 45,665.42 and 20,166.62

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Solution

The fourth proportional to 33,091.08, 45,665.42 and 20,166.62 is: 27,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,091.08 : 45,665.42 = 20,166.62 : x
  2. Step 2: Convert to fraction form
    33,091.08/45,665.42 = 20,166.62/x
  3. Step 3: Cross multiply
    33,091.08x = 45,665.42 × 20,166.62
  4. Step 4: Simplify right side
    33,091.08x = 920,916,843.12
  5. Step 5: Solve for x
    x = 920,916,843.12/33,091.08
  6. Step 6: Final answer
    x = 27,829.76

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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.