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Finding the Fourth Proportional to 35,148.91, 48,500.71 and 20,998.75

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Solution

The fourth proportional to 35,148.91, 48,500.71 and 20,998.75 is: 28,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.91 : 48,500.71 = 20,998.75 : x
  2. Step 2: Convert to fraction form
    35,148.91/48,500.71 = 20,998.75/x
  3. Step 3: Cross multiply
    35,148.91x = 48,500.71 × 20,998.75
  4. Step 4: Simplify right side
    35,148.91x = 1,018,454,284.11
  5. Step 5: Solve for x
    x = 1,018,454,284.11/35,148.91
  6. Step 6: Final answer
    x = 28,975.42

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