Home / 41,855.31-62,789.72-13,767.21

Finding the Fourth Proportional to 41,855.31, 62,789.72 and 13,767.21

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Solution

The fourth proportional to 41,855.31, 62,789.72 and 13,767.21 is: 20,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.31 : 62,789.72 = 13,767.21 : x
  2. Step 2: Convert to fraction form
    41,855.31/62,789.72 = 13,767.21/x
  3. Step 3: Cross multiply
    41,855.31x = 62,789.72 × 13,767.21
  4. Step 4: Simplify right side
    41,855.31x = 864,439,192.25
  5. Step 5: Solve for x
    x = 864,439,192.25/41,855.31
  6. Step 6: Final answer
    x = 20,653.04

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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.