Home / 33,170.48-45,774.20-19,738.65

Finding the Fourth Proportional to 33,170.48, 45,774.20 and 19,738.65

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Solution

The fourth proportional to 33,170.48, 45,774.20 and 19,738.65 is: 27,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.48 : 45,774.20 = 19,738.65 : x
  2. Step 2: Convert to fraction form
    33,170.48/45,774.20 = 19,738.65/x
  3. Step 3: Cross multiply
    33,170.48x = 45,774.20 × 19,738.65
  4. Step 4: Simplify right side
    33,170.48x = 903,520,814.14
  5. Step 5: Solve for x
    x = 903,520,814.14/33,170.48
  6. Step 6: Final answer
    x = 27,238.71

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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.