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Finding the Fourth Proportional to 73,740, 110,610.43 and 18,336

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Solution

The fourth proportional to 73,740, 110,610.43 and 18,336 is: 27,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,740 : 110,610.43 = 18,336 : x
  2. Step 2: Convert to fraction form
    73,740/110,610.43 = 18,336/x
  3. Step 3: Cross multiply
    73,740x = 110,610.43 × 18,336
  4. Step 4: Simplify right side
    73,740x = 2,028,152,844.48
  5. Step 5: Solve for x
    x = 2,028,152,844.48/73,740
  6. Step 6: Final answer
    x = 27,504.11

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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.