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Finding the Fourth Proportional to 49,447.90, 74,171.16 and 12,008.26

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Solution

The fourth proportional to 49,447.90, 74,171.16 and 12,008.26 is: 18,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,447.90 : 74,171.16 = 12,008.26 : x
  2. Step 2: Convert to fraction form
    49,447.90/74,171.16 = 12,008.26/x
  3. Step 3: Cross multiply
    49,447.90x = 74,171.16 × 12,008.26
  4. Step 4: Simplify right side
    49,447.90x = 890,666,573.78
  5. Step 5: Solve for x
    x = 890,666,573.78/49,447.90
  6. Step 6: Final answer
    x = 18,012.22

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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.