Home / 54,982.36-82,481.64-19,913.82

Finding the Fourth Proportional to 54,982.36, 82,481.64 and 19,913.82

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Solution

The fourth proportional to 54,982.36, 82,481.64 and 19,913.82 is: 29,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.36 : 82,481.64 = 19,913.82 : x
  2. Step 2: Convert to fraction form
    54,982.36/82,481.64 = 19,913.82/x
  3. Step 3: Cross multiply
    54,982.36x = 82,481.64 × 19,913.82
  4. Step 4: Simplify right side
    54,982.36x = 1,642,524,532.26
  5. Step 5: Solve for x
    x = 1,642,524,532.26/54,982.36
  6. Step 6: Final answer
    x = 29,873.66

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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.