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Finding the Fourth Proportional to 35,794.32, 49,395.40 and 19,878.48

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Solution

The fourth proportional to 35,794.32, 49,395.40 and 19,878.48 is: 27,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,794.32 : 49,395.40 = 19,878.48 : x
  2. Step 2: Convert to fraction form
    35,794.32/49,395.40 = 19,878.48/x
  3. Step 3: Cross multiply
    35,794.32x = 49,395.40 × 19,878.48
  4. Step 4: Simplify right side
    35,794.32x = 981,905,470.99
  5. Step 5: Solve for x
    x = 981,905,470.99/35,794.32
  6. Step 6: Final answer
    x = 27,431.88

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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.