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Finding the Fourth Proportional to 29,984.18, 44,968.42 and 8,918.54

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Solution

The fourth proportional to 29,984.18, 44,968.42 and 8,918.54 is: 13,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,984.18 : 44,968.42 = 8,918.54 : x
  2. Step 2: Convert to fraction form
    29,984.18/44,968.42 = 8,918.54/x
  3. Step 3: Cross multiply
    29,984.18x = 44,968.42 × 8,918.54
  4. Step 4: Simplify right side
    29,984.18x = 401,052,607.91
  5. Step 5: Solve for x
    x = 401,052,607.91/29,984.18
  6. Step 6: Final answer
    x = 13,375.48

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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.