Home / 54,972.27-82,403.01-21,679.47

Finding the Fourth Proportional to 54,972.27, 82,403.01 and 21,679.47

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Solution

The fourth proportional to 54,972.27, 82,403.01 and 21,679.47 is: 32,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.27 : 82,403.01 = 21,679.47 : x
  2. Step 2: Convert to fraction form
    54,972.27/82,403.01 = 21,679.47/x
  3. Step 3: Cross multiply
    54,972.27x = 82,403.01 × 21,679.47
  4. Step 4: Simplify right side
    54,972.27x = 1,786,453,583.20
  5. Step 5: Solve for x
    x = 1,786,453,583.20/54,972.27
  6. Step 6: Final answer
    x = 32,497.36

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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.