Home / 49,857.98-74,765.07-18,671.36

Finding the Fourth Proportional to 49,857.98, 74,765.07 and 18,671.36

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Solution

The fourth proportional to 49,857.98, 74,765.07 and 18,671.36 is: 27,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.98 : 74,765.07 = 18,671.36 : x
  2. Step 2: Convert to fraction form
    49,857.98/74,765.07 = 18,671.36/x
  3. Step 3: Cross multiply
    49,857.98x = 74,765.07 × 18,671.36
  4. Step 4: Simplify right side
    49,857.98x = 1,395,965,163.57
  5. Step 5: Solve for x
    x = 1,395,965,163.57/49,857.98
  6. Step 6: Final answer
    x = 27,998.83

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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.