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Finding the Fourth Proportional to 39,551.25, 59,326.89 and 11,849.25

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Solution

The fourth proportional to 39,551.25, 59,326.89 and 11,849.25 is: 17,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,551.25 : 59,326.89 = 11,849.25 : x
  2. Step 2: Convert to fraction form
    39,551.25/59,326.89 = 11,849.25/x
  3. Step 3: Cross multiply
    39,551.25x = 59,326.89 × 11,849.25
  4. Step 4: Simplify right side
    39,551.25x = 702,979,151.33
  5. Step 5: Solve for x
    x = 702,979,151.33/39,551.25
  6. Step 6: Final answer
    x = 17,773.88

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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.