Home / 54,742.76-82,121.73-19,195.84

Finding the Fourth Proportional to 54,742.76, 82,121.73 and 19,195.84

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Solution

The fourth proportional to 54,742.76, 82,121.73 and 19,195.84 is: 28,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.76 : 82,121.73 = 19,195.84 : x
  2. Step 2: Convert to fraction form
    54,742.76/82,121.73 = 19,195.84/x
  3. Step 3: Cross multiply
    54,742.76x = 82,121.73 × 19,195.84
  4. Step 4: Simplify right side
    54,742.76x = 1,576,395,589.60
  5. Step 5: Solve for x
    x = 1,576,395,589.60/54,742.76
  6. Step 6: Final answer
    x = 28,796.42

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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.