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Finding the Fourth Proportional to 48,652.20, 72,920.70 and 20,572.20

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Solution

The fourth proportional to 48,652.20, 72,920.70 and 20,572.20 is: 30,833.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.20 : 72,920.70 = 20,572.20 : x
  2. Step 2: Convert to fraction form
    48,652.20/72,920.70 = 20,572.20/x
  3. Step 3: Cross multiply
    48,652.20x = 72,920.70 × 20,572.20
  4. Step 4: Simplify right side
    48,652.20x = 1,500,139,224.54
  5. Step 5: Solve for x
    x = 1,500,139,224.54/48,652.20
  6. Step 6: Final answer
    x = 30,833.94

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