Home / 55,022.52-82,539.24-19,964.91

Finding the Fourth Proportional to 55,022.52, 82,539.24 and 19,964.91

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Solution

The fourth proportional to 55,022.52, 82,539.24 and 19,964.91 is: 29,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.52 : 82,539.24 = 19,964.91 : x
  2. Step 2: Convert to fraction form
    55,022.52/82,539.24 = 19,964.91/x
  3. Step 3: Cross multiply
    55,022.52x = 82,539.24 × 19,964.91
  4. Step 4: Simplify right side
    55,022.52x = 1,647,888,498.07
  5. Step 5: Solve for x
    x = 1,647,888,498.07/55,022.52
  6. Step 6: Final answer
    x = 29,949.35

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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.