Home / 49,858.06-74,765.18-18,671.44

Finding the Fourth Proportional to 49,858.06, 74,765.18 and 18,671.44

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Solution

The fourth proportional to 49,858.06, 74,765.18 and 18,671.44 is: 27,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,858.06 : 74,765.18 = 18,671.44 : x
  2. Step 2: Convert to fraction form
    49,858.06/74,765.18 = 18,671.44/x
  3. Step 3: Cross multiply
    49,858.06x = 74,765.18 × 18,671.44
  4. Step 4: Simplify right side
    49,858.06x = 1,395,973,572.46
  5. Step 5: Solve for x
    x = 1,395,973,572.46/49,858.06
  6. Step 6: Final answer
    x = 27,998.95

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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.