Home / 41,185.99-61,778.31-13,107.75

Finding the Fourth Proportional to 41,185.99, 61,778.31 and 13,107.75

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Solution

The fourth proportional to 41,185.99, 61,778.31 and 13,107.75 is: 19,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,185.99 : 61,778.31 = 13,107.75 : x
  2. Step 2: Convert to fraction form
    41,185.99/61,778.31 = 13,107.75/x
  3. Step 3: Cross multiply
    41,185.99x = 61,778.31 × 13,107.75
  4. Step 4: Simplify right side
    41,185.99x = 809,774,642.90
  5. Step 5: Solve for x
    x = 809,774,642.90/41,185.99
  6. Step 6: Final answer
    x = 19,661.41

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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.