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Finding the Fourth Proportional to 48,739.20, 73,108.80 and 30,307.20

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Solution

The fourth proportional to 48,739.20, 73,108.80 and 30,307.20 is: 45,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,739.20 : 73,108.80 = 30,307.20 : x
  2. Step 2: Convert to fraction form
    48,739.20/73,108.80 = 30,307.20/x
  3. Step 3: Cross multiply
    48,739.20x = 73,108.80 × 30,307.20
  4. Step 4: Simplify right side
    48,739.20x = 2,215,723,023.36
  5. Step 5: Solve for x
    x = 2,215,723,023.36/48,739.20
  6. Step 6: Final answer
    x = 45,460.80

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