Home / 82,315.04-123,472.56-19,985.12

Finding the Fourth Proportional to 82,315.04, 123,472.56 and 19,985.12

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Solution

The fourth proportional to 82,315.04, 123,472.56 and 19,985.12 is: 29,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,315.04 : 123,472.56 = 19,985.12 : x
  2. Step 2: Convert to fraction form
    82,315.04/123,472.56 = 19,985.12/x
  3. Step 3: Cross multiply
    82,315.04x = 123,472.56 × 19,985.12
  4. Step 4: Simplify right side
    82,315.04x = 2,467,613,928.31
  5. Step 5: Solve for x
    x = 2,467,613,928.31/82,315.04
  6. Step 6: Final answer
    x = 29,977.68

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