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Finding the Fourth Proportional to 47,740, 71,610 and 14,908

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Solution

The fourth proportional to 47,740, 71,610 and 14,908 is: 22,362

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,740 : 71,610 = 14,908 : x
  2. Step 2: Convert to fraction form
    47,740/71,610 = 14,908/x
  3. Step 3: Cross multiply
    47,740x = 71,610 × 14,908
  4. Step 4: Simplify right side
    47,740x = 1,067,561,880
  5. Step 5: Solve for x
    x = 1,067,561,880/47,740
  6. Step 6: Final answer
    x = 22,362

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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.