Home / 38,330.54-57,427.41-20,789.18

Finding the Fourth Proportional to 38,330.54, 57,427.41 and 20,789.18

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Solution

The fourth proportional to 38,330.54, 57,427.41 and 20,789.18 is: 31,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.54 : 57,427.41 = 20,789.18 : x
  2. Step 2: Convert to fraction form
    38,330.54/57,427.41 = 20,789.18/x
  3. Step 3: Cross multiply
    38,330.54x = 57,427.41 × 20,789.18
  4. Step 4: Simplify right side
    38,330.54x = 1,193,868,763.42
  5. Step 5: Solve for x
    x = 1,193,868,763.42/38,330.54
  6. Step 6: Final answer
    x = 31,146.67

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