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Finding the Fourth Proportional to 35,906.76, 49,546.02 and 19,991.40

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Solution

The fourth proportional to 35,906.76, 49,546.02 and 19,991.40 is: 27,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.76 : 49,546.02 = 19,991.40 : x
  2. Step 2: Convert to fraction form
    35,906.76/49,546.02 = 19,991.40/x
  3. Step 3: Cross multiply
    35,906.76x = 49,546.02 × 19,991.40
  4. Step 4: Simplify right side
    35,906.76x = 990,494,304.23
  5. Step 5: Solve for x
    x = 990,494,304.23/35,906.76
  6. Step 6: Final answer
    x = 27,585.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.