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Finding the Fourth Proportional to 55,247.99, 82,880.15 and 20,179.44

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Solution

The fourth proportional to 55,247.99, 82,880.15 and 20,179.44 is: 30,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.99 : 82,880.15 = 20,179.44 : x
  2. Step 2: Convert to fraction form
    55,247.99/82,880.15 = 20,179.44/x
  3. Step 3: Cross multiply
    55,247.99x = 82,880.15 × 20,179.44
  4. Step 4: Simplify right side
    55,247.99x = 1,672,474,913.22
  5. Step 5: Solve for x
    x = 1,672,474,913.22/55,247.99
  6. Step 6: Final answer
    x = 30,272.14

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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.