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Finding the Fourth Proportional to 48,483.89, 66,915.72 and 28,336.83

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Solution

The fourth proportional to 48,483.89, 66,915.72 and 28,336.83 is: 39,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,483.89 : 66,915.72 = 28,336.83 : x
  2. Step 2: Convert to fraction form
    48,483.89/66,915.72 = 28,336.83/x
  3. Step 3: Cross multiply
    48,483.89x = 66,915.72 × 28,336.83
  4. Step 4: Simplify right side
    48,483.89x = 1,896,179,381.97
  5. Step 5: Solve for x
    x = 1,896,179,381.97/48,483.89
  6. Step 6: Final answer
    x = 39,109.47

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