Home / 54,851.58-82,260.36-19,786.68

Finding the Fourth Proportional to 54,851.58, 82,260.36 and 19,786.68

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Solution

The fourth proportional to 54,851.58, 82,260.36 and 19,786.68 is: 29,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.58 : 82,260.36 = 19,786.68 : x
  2. Step 2: Convert to fraction form
    54,851.58/82,260.36 = 19,786.68/x
  3. Step 3: Cross multiply
    54,851.58x = 82,260.36 × 19,786.68
  4. Step 4: Simplify right side
    54,851.58x = 1,627,659,420.00
  5. Step 5: Solve for x
    x = 1,627,659,420.00/54,851.58
  6. Step 6: Final answer
    x = 29,673.88

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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.