Home / 33,781.30-46,616.37-18,673.06

Finding the Fourth Proportional to 33,781.30, 46,616.37 and 18,673.06

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Solution

The fourth proportional to 33,781.30, 46,616.37 and 18,673.06 is: 25,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.30 : 46,616.37 = 18,673.06 : x
  2. Step 2: Convert to fraction form
    33,781.30/46,616.37 = 18,673.06/x
  3. Step 3: Cross multiply
    33,781.30x = 46,616.37 × 18,673.06
  4. Step 4: Simplify right side
    33,781.30x = 870,470,273.99
  5. Step 5: Solve for x
    x = 870,470,273.99/33,781.30
  6. Step 6: Final answer
    x = 25,767.81

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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.