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Finding the Fourth Proportional to 35,458.95, 48,919.64 and 20,346.15

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Solution

The fourth proportional to 35,458.95, 48,919.64 and 20,346.15 is: 28,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.95 : 48,919.64 = 20,346.15 : x
  2. Step 2: Convert to fraction form
    35,458.95/48,919.64 = 20,346.15/x
  3. Step 3: Cross multiply
    35,458.95x = 48,919.64 × 20,346.15
  4. Step 4: Simplify right side
    35,458.95x = 995,326,231.66
  5. Step 5: Solve for x
    x = 995,326,231.66/35,458.95
  6. Step 6: Final answer
    x = 28,069.82

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