Home / 39,895.88-59,843.99-11,816.44

Finding the Fourth Proportional to 39,895.88, 59,843.99 and 11,816.44

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Solution

The fourth proportional to 39,895.88, 59,843.99 and 11,816.44 is: 17,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.88 : 59,843.99 = 11,816.44 : x
  2. Step 2: Convert to fraction form
    39,895.88/59,843.99 = 11,816.44/x
  3. Step 3: Cross multiply
    39,895.88x = 59,843.99 × 11,816.44
  4. Step 4: Simplify right side
    39,895.88x = 707,142,797.13
  5. Step 5: Solve for x
    x = 707,142,797.13/39,895.88
  6. Step 6: Final answer
    x = 17,724.71

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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.