Home / 54,945.55-82,415.14-21,204.97

Finding the Fourth Proportional to 54,945.55, 82,415.14 and 21,204.97

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Solution

The fourth proportional to 54,945.55, 82,415.14 and 21,204.97 is: 31,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945.55 : 82,415.14 = 21,204.97 : x
  2. Step 2: Convert to fraction form
    54,945.55/82,415.14 = 21,204.97/x
  3. Step 3: Cross multiply
    54,945.55x = 82,415.14 × 21,204.97
  4. Step 4: Simplify right side
    54,945.55x = 1,747,610,603.63
  5. Step 5: Solve for x
    x = 1,747,610,603.63/54,945.55
  6. Step 6: Final answer
    x = 31,806.23

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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.