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Finding the Fourth Proportional to 48,681.60, 72,830.32 and 36,869.52

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Solution

The fourth proportional to 48,681.60, 72,830.32 and 36,869.52 is: 55,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,681.60 : 72,830.32 = 36,869.52 : x
  2. Step 2: Convert to fraction form
    48,681.60/72,830.32 = 36,869.52/x
  3. Step 3: Cross multiply
    48,681.60x = 72,830.32 × 36,869.52
  4. Step 4: Simplify right side
    48,681.60x = 2,685,218,939.85
  5. Step 5: Solve for x
    x = 2,685,218,939.85/48,681.60
  6. Step 6: Final answer
    x = 55,158.81

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