Home / 20,868.48-31,308.19-6,077.53

Finding the Fourth Proportional to 20,868.48, 31,308.19 and 6,077.53

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Solution

The fourth proportional to 20,868.48, 31,308.19 and 6,077.53 is: 9,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868.48 : 31,308.19 = 6,077.53 : x
  2. Step 2: Convert to fraction form
    20,868.48/31,308.19 = 6,077.53/x
  3. Step 3: Cross multiply
    20,868.48x = 31,308.19 × 6,077.53
  4. Step 4: Simplify right side
    20,868.48x = 190,276,400.89
  5. Step 5: Solve for x
    x = 190,276,400.89/20,868.48
  6. Step 6: Final answer
    x = 9,117.88

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