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Finding the Fourth Proportional to 30,548.80, 45,816.80 and 14,977.60

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Solution

The fourth proportional to 30,548.80, 45,816.80 and 14,977.60 is: 22,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548.80 : 45,816.80 = 14,977.60 : x
  2. Step 2: Convert to fraction form
    30,548.80/45,816.80 = 14,977.60/x
  3. Step 3: Cross multiply
    30,548.80x = 45,816.80 × 14,977.60
  4. Step 4: Simplify right side
    30,548.80x = 686,225,703.68
  5. Step 5: Solve for x
    x = 686,225,703.68/30,548.80
  6. Step 6: Final answer
    x = 22,463.26

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