Home / 20,319.72-30,458.76-13,746.56

Finding the Fourth Proportional to 20,319.72, 30,458.76 and 13,746.56

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Solution

The fourth proportional to 20,319.72, 30,458.76 and 13,746.56 is: 20,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319.72 : 30,458.76 = 13,746.56 : x
  2. Step 2: Convert to fraction form
    20,319.72/30,458.76 = 13,746.56/x
  3. Step 3: Cross multiply
    20,319.72x = 30,458.76 × 13,746.56
  4. Step 4: Simplify right side
    20,319.72x = 418,703,171.87
  5. Step 5: Solve for x
    x = 418,703,171.87/20,319.72
  6. Step 6: Final answer
    x = 20,605.75

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