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Finding the Fourth Proportional to 42,132.78, 63,202.80 and 10,968

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Solution

The fourth proportional to 42,132.78, 63,202.80 and 10,968 is: 16,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.78 : 63,202.80 = 10,968 : x
  2. Step 2: Convert to fraction form
    42,132.78/63,202.80 = 10,968/x
  3. Step 3: Cross multiply
    42,132.78x = 63,202.80 × 10,968
  4. Step 4: Simplify right side
    42,132.78x = 693,208,310.40
  5. Step 5: Solve for x
    x = 693,208,310.40/42,132.78
  6. Step 6: Final answer
    x = 16,452.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.