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Finding the Fourth Proportional to 39,590.40, 59,302.80 and 18,548.40

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Solution

The fourth proportional to 39,590.40, 59,302.80 and 18,548.40 is: 27,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,590.40 : 59,302.80 = 18,548.40 : x
  2. Step 2: Convert to fraction form
    39,590.40/59,302.80 = 18,548.40/x
  3. Step 3: Cross multiply
    39,590.40x = 59,302.80 × 18,548.40
  4. Step 4: Simplify right side
    39,590.40x = 1,099,972,055.52
  5. Step 5: Solve for x
    x = 1,099,972,055.52/39,590.40
  6. Step 6: Final answer
    x = 27,783.81

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