Home / 35,977.52-53,929.80-13,785.20

Finding the Fourth Proportional to 35,977.52, 53,929.80 and 13,785.20

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Solution

The fourth proportional to 35,977.52, 53,929.80 and 13,785.20 is: 20,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.52 : 53,929.80 = 13,785.20 : x
  2. Step 2: Convert to fraction form
    35,977.52/53,929.80 = 13,785.20/x
  3. Step 3: Cross multiply
    35,977.52x = 53,929.80 × 13,785.20
  4. Step 4: Simplify right side
    35,977.52x = 743,433,078.96
  5. Step 5: Solve for x
    x = 743,433,078.96/35,977.52
  6. Step 6: Final answer
    x = 20,663.82

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