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Finding the Fourth Proportional to 30,399.89, 41,944.43 and 17,822.21

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Solution

The fourth proportional to 30,399.89, 41,944.43 and 17,822.21 is: 24,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.89 : 41,944.43 = 17,822.21 : x
  2. Step 2: Convert to fraction form
    30,399.89/41,944.43 = 17,822.21/x
  3. Step 3: Cross multiply
    30,399.89x = 41,944.43 × 17,822.21
  4. Step 4: Simplify right side
    30,399.89x = 747,542,140.96
  5. Step 5: Solve for x
    x = 747,542,140.96/30,399.89
  6. Step 6: Final answer
    x = 24,590.30

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