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Finding the Fourth Proportional to 48,637.77, 67,119.79 and 28,490.33

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Solution

The fourth proportional to 48,637.77, 67,119.79 and 28,490.33 is: 39,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.77 : 67,119.79 = 28,490.33 : x
  2. Step 2: Convert to fraction form
    48,637.77/67,119.79 = 28,490.33/x
  3. Step 3: Cross multiply
    48,637.77x = 67,119.79 × 28,490.33
  4. Step 4: Simplify right side
    48,637.77x = 1,912,265,116.62
  5. Step 5: Solve for x
    x = 1,912,265,116.62/48,637.77
  6. Step 6: Final answer
    x = 39,316.47

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