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Finding the Fourth Proportional to 44,896.64, 67,361.07 and 19,240.20

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Solution

The fourth proportional to 44,896.64, 67,361.07 and 19,240.20 is: 28,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,896.64 : 67,361.07 = 19,240.20 : x
  2. Step 2: Convert to fraction form
    44,896.64/67,361.07 = 19,240.20/x
  3. Step 3: Cross multiply
    44,896.64x = 67,361.07 × 19,240.20
  4. Step 4: Simplify right side
    44,896.64x = 1,296,040,459.01
  5. Step 5: Solve for x
    x = 1,296,040,459.01/44,896.64
  6. Step 6: Final answer
    x = 28,867.20

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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.