Home / 33,310.73-45,969.38-19,879.38

Finding the Fourth Proportional to 33,310.73, 45,969.38 and 19,879.38

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Solution

The fourth proportional to 33,310.73, 45,969.38 and 19,879.38 is: 27,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.73 : 45,969.38 = 19,879.38 : x
  2. Step 2: Convert to fraction form
    33,310.73/45,969.38 = 19,879.38/x
  3. Step 3: Cross multiply
    33,310.73x = 45,969.38 × 19,879.38
  4. Step 4: Simplify right side
    33,310.73x = 913,842,673.99
  5. Step 5: Solve for x
    x = 913,842,673.99/33,310.73
  6. Step 6: Final answer
    x = 27,433.89

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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.