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Finding the Fourth Proportional to 30,293.76, 45,450.36 and 13,646.64

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Solution

The fourth proportional to 30,293.76, 45,450.36 and 13,646.64 is: 20,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.76 : 45,450.36 = 13,646.64 : x
  2. Step 2: Convert to fraction form
    30,293.76/45,450.36 = 13,646.64/x
  3. Step 3: Cross multiply
    30,293.76x = 45,450.36 × 13,646.64
  4. Step 4: Simplify right side
    30,293.76x = 620,244,700.79
  5. Step 5: Solve for x
    x = 620,244,700.79/30,293.76
  6. Step 6: Final answer
    x = 20,474.34

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