Home / 54,843.48-82,265.22-19,782.63

Finding the Fourth Proportional to 54,843.48, 82,265.22 and 19,782.63

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Solution

The fourth proportional to 54,843.48, 82,265.22 and 19,782.63 is: 29,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,843.48 : 82,265.22 = 19,782.63 : x
  2. Step 2: Convert to fraction form
    54,843.48/82,265.22 = 19,782.63/x
  3. Step 3: Cross multiply
    54,843.48x = 82,265.22 × 19,782.63
  4. Step 4: Simplify right side
    54,843.48x = 1,627,422,409.13
  5. Step 5: Solve for x
    x = 1,627,422,409.13/54,843.48
  6. Step 6: Final answer
    x = 29,673.95

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Double scale
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Similar ratio
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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.