Home / 21,037.73-31,499.15-20,480.04

Finding the Fourth Proportional to 21,037.73, 31,499.15 and 20,480.04

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Solution

The fourth proportional to 21,037.73, 31,499.15 and 20,480.04 is: 30,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.73 : 31,499.15 = 20,480.04 : x
  2. Step 2: Convert to fraction form
    21,037.73/31,499.15 = 20,480.04/x
  3. Step 3: Cross multiply
    21,037.73x = 31,499.15 × 20,480.04
  4. Step 4: Simplify right side
    21,037.73x = 645,103,749.57
  5. Step 5: Solve for x
    x = 645,103,749.57/21,037.73
  6. Step 6: Final answer
    x = 30,664.14

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