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Finding the Fourth Proportional to 39,443, 59,157.88 and 11,734.52

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Solution

The fourth proportional to 39,443, 59,157.88 and 11,734.52 is: 17,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,443 : 59,157.88 = 11,734.52 : x
  2. Step 2: Convert to fraction form
    39,443/59,157.88 = 11,734.52/x
  3. Step 3: Cross multiply
    39,443x = 59,157.88 × 11,734.52
  4. Step 4: Simplify right side
    39,443x = 694,189,326.02
  5. Step 5: Solve for x
    x = 694,189,326.02/39,443
  6. Step 6: Final answer
    x = 17,599.81

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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.