Home / 55,022.80-82,539.67-19,965.19

Finding the Fourth Proportional to 55,022.80, 82,539.67 and 19,965.19

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Solution

The fourth proportional to 55,022.80, 82,539.67 and 19,965.19 is: 29,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.80 : 82,539.67 = 19,965.19 : x
  2. Step 2: Convert to fraction form
    55,022.80/82,539.67 = 19,965.19/x
  3. Step 3: Cross multiply
    55,022.80x = 82,539.67 × 19,965.19
  4. Step 4: Simplify right side
    55,022.80x = 1,647,920,194.09
  5. Step 5: Solve for x
    x = 1,647,920,194.09/55,022.80
  6. Step 6: Final answer
    x = 29,949.77

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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.