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Finding the Fourth Proportional to 48,930, 73,395 and 11,994

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Solution

The fourth proportional to 48,930, 73,395 and 11,994 is: 17,991

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,930 : 73,395 = 11,994 : x
  2. Step 2: Convert to fraction form
    48,930/73,395 = 11,994/x
  3. Step 3: Cross multiply
    48,930x = 73,395 × 11,994
  4. Step 4: Simplify right side
    48,930x = 880,299,630
  5. Step 5: Solve for x
    x = 880,299,630/48,930
  6. Step 6: Final answer
    x = 17,991

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.