Home / 29,786.40-41,105.21-17,211.15

Finding the Fourth Proportional to 29,786.40, 41,105.21 and 17,211.15

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Solution

The fourth proportional to 29,786.40, 41,105.21 and 17,211.15 is: 23,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,786.40 : 41,105.21 = 17,211.15 : x
  2. Step 2: Convert to fraction form
    29,786.40/41,105.21 = 17,211.15/x
  3. Step 3: Cross multiply
    29,786.40x = 41,105.21 × 17,211.15
  4. Step 4: Simplify right side
    29,786.40x = 707,467,849.04
  5. Step 5: Solve for x
    x = 707,467,849.04/29,786.40
  6. Step 6: Final answer
    x = 23,751.37

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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.