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Finding the Fourth Proportional to 30,850.80, 42,573.60 and 16,703.52

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Solution

The fourth proportional to 30,850.80, 42,573.60 and 16,703.52 is: 23,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.80 : 42,573.60 = 16,703.52 : x
  2. Step 2: Convert to fraction form
    30,850.80/42,573.60 = 16,703.52/x
  3. Step 3: Cross multiply
    30,850.80x = 42,573.60 × 16,703.52
  4. Step 4: Simplify right side
    30,850.80x = 711,128,979.07
  5. Step 5: Solve for x
    x = 711,128,979.07/30,850.80
  6. Step 6: Final answer
    x = 23,050.58

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