Home / 49,857.93-74,765.07-18,671.31

Finding the Fourth Proportional to 49,857.93, 74,765.07 and 18,671.31

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Solution

The fourth proportional to 49,857.93, 74,765.07 and 18,671.31 is: 27,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.93 : 74,765.07 = 18,671.31 : x
  2. Step 2: Convert to fraction form
    49,857.93/74,765.07 = 18,671.31/x
  3. Step 3: Cross multiply
    49,857.93x = 74,765.07 × 18,671.31
  4. Step 4: Simplify right side
    49,857.93x = 1,395,961,799.14
  5. Step 5: Solve for x
    x = 1,395,961,799.14/49,857.93
  6. Step 6: Final answer
    x = 27,998.79

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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.