Home / 55,579.05-76,735.76-42,809.67

Finding the Fourth Proportional to 55,579.05, 76,735.76 and 42,809.67

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Solution

The fourth proportional to 55,579.05, 76,735.76 and 42,809.67 is: 59,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.05 : 76,735.76 = 42,809.67 : x
  2. Step 2: Convert to fraction form
    55,579.05/76,735.76 = 42,809.67/x
  3. Step 3: Cross multiply
    55,579.05x = 76,735.76 × 42,809.67
  4. Step 4: Simplify right side
    55,579.05x = 3,285,032,348.75
  5. Step 5: Solve for x
    x = 3,285,032,348.75/55,579.05
  6. Step 6: Final answer
    x = 59,105.59

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