Home / 33,781.25-46,616.65-18,673.13

Finding the Fourth Proportional to 33,781.25, 46,616.65 and 18,673.13

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Solution

The fourth proportional to 33,781.25, 46,616.65 and 18,673.13 is: 25,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.25 : 46,616.65 = 18,673.13 : x
  2. Step 2: Convert to fraction form
    33,781.25/46,616.65 = 18,673.13/x
  3. Step 3: Cross multiply
    33,781.25x = 46,616.65 × 18,673.13
  4. Step 4: Simplify right side
    33,781.25x = 870,478,485.85
  5. Step 5: Solve for x
    x = 870,478,485.85/33,781.25
  6. Step 6: Final answer
    x = 25,768.10

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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.