Home / 30,749.98-42,429.33-17,318.36

Finding the Fourth Proportional to 30,749.98, 42,429.33 and 17,318.36

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Solution

The fourth proportional to 30,749.98, 42,429.33 and 17,318.36 is: 23,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.98 : 42,429.33 = 17,318.36 : x
  2. Step 2: Convert to fraction form
    30,749.98/42,429.33 = 17,318.36/x
  3. Step 3: Cross multiply
    30,749.98x = 42,429.33 × 17,318.36
  4. Step 4: Simplify right side
    30,749.98x = 734,806,199.35
  5. Step 5: Solve for x
    x = 734,806,199.35/30,749.98
  6. Step 6: Final answer
    x = 23,896.15

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