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Finding the Fourth Proportional to 48,820.64, 67,368.30 and 28,406.48

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Solution

The fourth proportional to 48,820.64, 67,368.30 and 28,406.48 is: 39,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,820.64 : 67,368.30 = 28,406.48 : x
  2. Step 2: Convert to fraction form
    48,820.64/67,368.30 = 28,406.48/x
  3. Step 3: Cross multiply
    48,820.64x = 67,368.30 × 28,406.48
  4. Step 4: Simplify right side
    48,820.64x = 1,913,696,292.97
  5. Step 5: Solve for x
    x = 1,913,696,292.97/48,820.64
  6. Step 6: Final answer
    x = 39,198.51

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