Home / 54,882.20-82,299-19,822.16

Finding the Fourth Proportional to 54,882.20, 82,299 and 19,822.16

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Solution

The fourth proportional to 54,882.20, 82,299 and 19,822.16 is: 29,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882.20 : 82,299 = 19,822.16 : x
  2. Step 2: Convert to fraction form
    54,882.20/82,299 = 19,822.16/x
  3. Step 3: Cross multiply
    54,882.20x = 82,299 × 19,822.16
  4. Step 4: Simplify right side
    54,882.20x = 1,631,343,945.84
  5. Step 5: Solve for x
    x = 1,631,343,945.84/54,882.20
  6. Step 6: Final answer
    x = 29,724.46

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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.