Home / 33,286.57-45,935.77-18,945.69

Finding the Fourth Proportional to 33,286.57, 45,935.77 and 18,945.69

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Solution

The fourth proportional to 33,286.57, 45,935.77 and 18,945.69 is: 26,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.57 : 45,935.77 = 18,945.69 : x
  2. Step 2: Convert to fraction form
    33,286.57/45,935.77 = 18,945.69/x
  3. Step 3: Cross multiply
    33,286.57x = 45,935.77 × 18,945.69
  4. Step 4: Simplify right side
    33,286.57x = 870,284,858.33
  5. Step 5: Solve for x
    x = 870,284,858.33/33,286.57
  6. Step 6: Final answer
    x = 26,145.22

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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.