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Finding the Fourth Proportional to 48,221.80, 72,332.70 and 30,725.80

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Solution

The fourth proportional to 48,221.80, 72,332.70 and 30,725.80 is: 46,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,221.80 : 72,332.70 = 30,725.80 : x
  2. Step 2: Convert to fraction form
    48,221.80/72,332.70 = 30,725.80/x
  3. Step 3: Cross multiply
    48,221.80x = 72,332.70 × 30,725.80
  4. Step 4: Simplify right side
    48,221.80x = 2,222,480,073.66
  5. Step 5: Solve for x
    x = 2,222,480,073.66/48,221.80
  6. Step 6: Final answer
    x = 46,088.70

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