Home / 40,982.13-61,473.78-11,399.31

Finding the Fourth Proportional to 40,982.13, 61,473.78 and 11,399.31

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Solution

The fourth proportional to 40,982.13, 61,473.78 and 11,399.31 is: 17,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.13 : 61,473.78 = 11,399.31 : x
  2. Step 2: Convert to fraction form
    40,982.13/61,473.78 = 11,399.31/x
  3. Step 3: Cross multiply
    40,982.13x = 61,473.78 × 11,399.31
  4. Step 4: Simplify right side
    40,982.13x = 700,758,675.09
  5. Step 5: Solve for x
    x = 700,758,675.09/40,982.13
  6. Step 6: Final answer
    x = 17,099.13

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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.