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Finding the Fourth Proportional to 30,739.96, 46,100.82 and 13,205.70

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Solution

The fourth proportional to 30,739.96, 46,100.82 and 13,205.70 is: 19,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739.96 : 46,100.82 = 13,205.70 : x
  2. Step 2: Convert to fraction form
    30,739.96/46,100.82 = 13,205.70/x
  3. Step 3: Cross multiply
    30,739.96x = 46,100.82 × 13,205.70
  4. Step 4: Simplify right side
    30,739.96x = 608,793,598.67
  5. Step 5: Solve for x
    x = 608,793,598.67/30,739.96
  6. Step 6: Final answer
    x = 19,804.63

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