Home / 55,022.43-82,539.11-19,964.82

Finding the Fourth Proportional to 55,022.43, 82,539.11 and 19,964.82

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Solution

The fourth proportional to 55,022.43, 82,539.11 and 19,964.82 is: 29,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.43 : 82,539.11 = 19,964.82 : x
  2. Step 2: Convert to fraction form
    55,022.43/82,539.11 = 19,964.82/x
  3. Step 3: Cross multiply
    55,022.43x = 82,539.11 × 19,964.82
  4. Step 4: Simplify right side
    55,022.43x = 1,647,878,474.11
  5. Step 5: Solve for x
    x = 1,647,878,474.11/55,022.43
  6. Step 6: Final answer
    x = 29,949.21

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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.