Home / 33,174.72-45,781.25-19,745.91

Finding the Fourth Proportional to 33,174.72, 45,781.25 and 19,745.91

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Solution

The fourth proportional to 33,174.72, 45,781.25 and 19,745.91 is: 27,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,174.72 : 45,781.25 = 19,745.91 : x
  2. Step 2: Convert to fraction form
    33,174.72/45,781.25 = 19,745.91/x
  3. Step 3: Cross multiply
    33,174.72x = 45,781.25 × 19,745.91
  4. Step 4: Simplify right side
    33,174.72x = 903,992,442.19
  5. Step 5: Solve for x
    x = 903,992,442.19/33,174.72
  6. Step 6: Final answer
    x = 27,249.44

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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.