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Finding the Fourth Proportional to 39,797.44, 59,675.60 and 11,713.84

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Solution

The fourth proportional to 39,797.44, 59,675.60 and 11,713.84 is: 17,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,797.44 : 59,675.60 = 11,713.84 : x
  2. Step 2: Convert to fraction form
    39,797.44/59,675.60 = 11,713.84/x
  3. Step 3: Cross multiply
    39,797.44x = 59,675.60 × 11,713.84
  4. Step 4: Simplify right side
    39,797.44x = 699,030,430.30
  5. Step 5: Solve for x
    x = 699,030,430.30/39,797.44
  6. Step 6: Final answer
    x = 17,564.71

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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.