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Finding the Fourth Proportional to 55,346.40, 83,019.60 and 18,410.40

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Solution

The fourth proportional to 55,346.40, 83,019.60 and 18,410.40 is: 27,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,346.40 : 83,019.60 = 18,410.40 : x
  2. Step 2: Convert to fraction form
    55,346.40/83,019.60 = 18,410.40/x
  3. Step 3: Cross multiply
    55,346.40x = 83,019.60 × 18,410.40
  4. Step 4: Simplify right side
    55,346.40x = 1,528,424,043.84
  5. Step 5: Solve for x
    x = 1,528,424,043.84/55,346.40
  6. Step 6: Final answer
    x = 27,615.60

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