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Finding the Fourth Proportional to 42,012.50, 57,978.47 and 23,150.84

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Solution

The fourth proportional to 42,012.50, 57,978.47 and 23,150.84 is: 31,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.50 : 57,978.47 = 23,150.84 : x
  2. Step 2: Convert to fraction form
    42,012.50/57,978.47 = 23,150.84/x
  3. Step 3: Cross multiply
    42,012.50x = 57,978.47 × 23,150.84
  4. Step 4: Simplify right side
    42,012.50x = 1,342,250,166.66
  5. Step 5: Solve for x
    x = 1,342,250,166.66/42,012.50
  6. Step 6: Final answer
    x = 31,948.83

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