Home / 51,715.28-77,563.67-13,764.75

Finding the Fourth Proportional to 51,715.28, 77,563.67 and 13,764.75

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Solution

The fourth proportional to 51,715.28, 77,563.67 and 13,764.75 is: 20,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.28 : 77,563.67 = 13,764.75 : x
  2. Step 2: Convert to fraction form
    51,715.28/77,563.67 = 13,764.75/x
  3. Step 3: Cross multiply
    51,715.28x = 77,563.67 × 13,764.75
  4. Step 4: Simplify right side
    51,715.28x = 1,067,644,457.81
  5. Step 5: Solve for x
    x = 1,067,644,457.81/51,715.28
  6. Step 6: Final answer
    x = 20,644.66

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