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Finding the Fourth Proportional to 32,325, 44,609.04 and 21,147

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Solution

The fourth proportional to 32,325, 44,609.04 and 21,147 is: 29,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,325 : 44,609.04 = 21,147 : x
  2. Step 2: Convert to fraction form
    32,325/44,609.04 = 21,147/x
  3. Step 3: Cross multiply
    32,325x = 44,609.04 × 21,147
  4. Step 4: Simplify right side
    32,325x = 943,347,368.88
  5. Step 5: Solve for x
    x = 943,347,368.88/32,325
  6. Step 6: Final answer
    x = 29,183.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.