Home / 47,982.82-71,943.42-19,922.24

Finding the Fourth Proportional to 47,982.82, 71,943.42 and 19,922.24

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Solution

The fourth proportional to 47,982.82, 71,943.42 and 19,922.24 is: 29,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.82 : 71,943.42 = 19,922.24 : x
  2. Step 2: Convert to fraction form
    47,982.82/71,943.42 = 19,922.24/x
  3. Step 3: Cross multiply
    47,982.82x = 71,943.42 × 19,922.24
  4. Step 4: Simplify right side
    47,982.82x = 1,433,273,719.94
  5. Step 5: Solve for x
    x = 1,433,273,719.94/47,982.82
  6. Step 6: Final answer
    x = 29,870.56

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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.