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Finding the Fourth Proportional to 48,721.32, 67,215.08 and 32,778.09

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Solution

The fourth proportional to 48,721.32, 67,215.08 and 32,778.09 is: 45,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.32 : 67,215.08 = 32,778.09 : x
  2. Step 2: Convert to fraction form
    48,721.32/67,215.08 = 32,778.09/x
  3. Step 3: Cross multiply
    48,721.32x = 67,215.08 × 32,778.09
  4. Step 4: Simplify right side
    48,721.32x = 2,203,182,023.54
  5. Step 5: Solve for x
    x = 2,203,182,023.54/48,721.32
  6. Step 6: Final answer
    x = 45,220.08

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