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Finding the Fourth Proportional to 48,092.80, 72,090.60 and 21,816.40

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Solution

The fourth proportional to 48,092.80, 72,090.60 and 21,816.40 is: 32,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,092.80 : 72,090.60 = 21,816.40 : x
  2. Step 2: Convert to fraction form
    48,092.80/72,090.60 = 21,816.40/x
  3. Step 3: Cross multiply
    48,092.80x = 72,090.60 × 21,816.40
  4. Step 4: Simplify right side
    48,092.80x = 1,572,757,365.84
  5. Step 5: Solve for x
    x = 1,572,757,365.84/48,092.80
  6. Step 6: Final answer
    x = 32,702.55

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