Home / 54,843.14-82,247.70-19,778.24

Finding the Fourth Proportional to 54,843.14, 82,247.70 and 19,778.24

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Solution

The fourth proportional to 54,843.14, 82,247.70 and 19,778.24 is: 29,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,843.14 : 82,247.70 = 19,778.24 : x
  2. Step 2: Convert to fraction form
    54,843.14/82,247.70 = 19,778.24/x
  3. Step 3: Cross multiply
    54,843.14x = 82,247.70 × 19,778.24
  4. Step 4: Simplify right side
    54,843.14x = 1,626,715,029.84
  5. Step 5: Solve for x
    x = 1,626,715,029.84/54,843.14
  6. Step 6: Final answer
    x = 29,661.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.