Home / 48,552.25-72,845.79-18,991.30

Finding the Fourth Proportional to 48,552.25, 72,845.79 and 18,991.30

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Solution

The fourth proportional to 48,552.25, 72,845.79 and 18,991.30 is: 28,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,552.25 : 72,845.79 = 18,991.30 : x
  2. Step 2: Convert to fraction form
    48,552.25/72,845.79 = 18,991.30/x
  3. Step 3: Cross multiply
    48,552.25x = 72,845.79 × 18,991.30
  4. Step 4: Simplify right side
    48,552.25x = 1,383,436,251.63
  5. Step 5: Solve for x
    x = 1,383,436,251.63/48,552.25
  6. Step 6: Final answer
    x = 28,493.76

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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.