Home / 40,858.21-61,305-17,171.92

Finding the Fourth Proportional to 40,858.21, 61,305 and 17,171.92

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Solution

The fourth proportional to 40,858.21, 61,305 and 17,171.92 is: 25,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.21 : 61,305 = 17,171.92 : x
  2. Step 2: Convert to fraction form
    40,858.21/61,305 = 17,171.92/x
  3. Step 3: Cross multiply
    40,858.21x = 61,305 × 17,171.92
  4. Step 4: Simplify right side
    40,858.21x = 1,052,724,555.60
  5. Step 5: Solve for x
    x = 1,052,724,555.60/40,858.21
  6. Step 6: Final answer
    x = 25,765.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.