Home / 33,791.20-46,629.88-18,682.90

Finding the Fourth Proportional to 33,791.20, 46,629.88 and 18,682.90

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Solution

The fourth proportional to 33,791.20, 46,629.88 and 18,682.90 is: 25,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,791.20 : 46,629.88 = 18,682.90 : x
  2. Step 2: Convert to fraction form
    33,791.20/46,629.88 = 18,682.90/x
  3. Step 3: Cross multiply
    33,791.20x = 46,629.88 × 18,682.90
  4. Step 4: Simplify right side
    33,791.20x = 871,181,484.06
  5. Step 5: Solve for x
    x = 871,181,484.06/33,791.20
  6. Step 6: Final answer
    x = 25,781.31

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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.