Home / 54,866.21-82,282.30-19,801.31

Finding the Fourth Proportional to 54,866.21, 82,282.30 and 19,801.31

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Solution

The fourth proportional to 54,866.21, 82,282.30 and 19,801.31 is: 29,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.21 : 82,282.30 = 19,801.31 : x
  2. Step 2: Convert to fraction form
    54,866.21/82,282.30 = 19,801.31/x
  3. Step 3: Cross multiply
    54,866.21x = 82,282.30 × 19,801.31
  4. Step 4: Simplify right side
    54,866.21x = 1,629,296,868.90
  5. Step 5: Solve for x
    x = 1,629,296,868.90/54,866.21
  6. Step 6: Final answer
    x = 29,695.82

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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.