Home / 20,749.77-31,095.45-9,038.43

Finding the Fourth Proportional to 20,749.77, 31,095.45 and 9,038.43

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Solution

The fourth proportional to 20,749.77, 31,095.45 and 9,038.43 is: 13,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749.77 : 31,095.45 = 9,038.43 : x
  2. Step 2: Convert to fraction form
    20,749.77/31,095.45 = 9,038.43/x
  3. Step 3: Cross multiply
    20,749.77x = 31,095.45 × 9,038.43
  4. Step 4: Simplify right side
    20,749.77x = 281,054,048.14
  5. Step 5: Solve for x
    x = 281,054,048.14/20,749.77
  6. Step 6: Final answer
    x = 13,544.92

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