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Finding the Fourth Proportional to 32,990.16, 45,518.58 and 18,650.28

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Solution

The fourth proportional to 32,990.16, 45,518.58 and 18,650.28 is: 25,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.16 : 45,518.58 = 18,650.28 : x
  2. Step 2: Convert to fraction form
    32,990.16/45,518.58 = 18,650.28/x
  3. Step 3: Cross multiply
    32,990.16x = 45,518.58 × 18,650.28
  4. Step 4: Simplify right side
    32,990.16x = 848,934,262.20
  5. Step 5: Solve for x
    x = 848,934,262.20/32,990.16
  6. Step 6: Final answer
    x = 25,732.95

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