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Finding the Fourth Proportional to 45,540.56, 68,314.08 and 14,375

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Solution

The fourth proportional to 45,540.56, 68,314.08 and 14,375 is: 21,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.56 : 68,314.08 = 14,375 : x
  2. Step 2: Convert to fraction form
    45,540.56/68,314.08 = 14,375/x
  3. Step 3: Cross multiply
    45,540.56x = 68,314.08 × 14,375
  4. Step 4: Simplify right side
    45,540.56x = 982,014,900
  5. Step 5: Solve for x
    x = 982,014,900/45,540.56
  6. Step 6: Final answer
    x = 21,563.52

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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.