Home / 33,285.38-45,934.18-18,178.47

Finding the Fourth Proportional to 33,285.38, 45,934.18 and 18,178.47

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Solution

The fourth proportional to 33,285.38, 45,934.18 and 18,178.47 is: 25,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.38 : 45,934.18 = 18,178.47 : x
  2. Step 2: Convert to fraction form
    33,285.38/45,934.18 = 18,178.47/x
  3. Step 3: Cross multiply
    33,285.38x = 45,934.18 × 18,178.47
  4. Step 4: Simplify right side
    33,285.38x = 835,013,067.66
  5. Step 5: Solve for x
    x = 835,013,067.66/33,285.38
  6. Step 6: Final answer
    x = 25,086.49

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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.