Home / 49,850.10-74,745.05-19,868.96

Finding the Fourth Proportional to 49,850.10, 74,745.05 and 19,868.96

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Solution

The fourth proportional to 49,850.10, 74,745.05 and 19,868.96 is: 29,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,850.10 : 74,745.05 = 19,868.96 : x
  2. Step 2: Convert to fraction form
    49,850.10/74,745.05 = 19,868.96/x
  3. Step 3: Cross multiply
    49,850.10x = 74,745.05 × 19,868.96
  4. Step 4: Simplify right side
    49,850.10x = 1,485,106,496.17
  5. Step 5: Solve for x
    x = 1,485,106,496.17/49,850.10
  6. Step 6: Final answer
    x = 29,791.44

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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.