Home / 40,868.81-61,304.36-11,286.64

Finding the Fourth Proportional to 40,868.81, 61,304.36 and 11,286.64

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Solution

The fourth proportional to 40,868.81, 61,304.36 and 11,286.64 is: 16,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.81 : 61,304.36 = 11,286.64 : x
  2. Step 2: Convert to fraction form
    40,868.81/61,304.36 = 11,286.64/x
  3. Step 3: Cross multiply
    40,868.81x = 61,304.36 × 11,286.64
  4. Step 4: Simplify right side
    40,868.81x = 691,920,241.75
  5. Step 5: Solve for x
    x = 691,920,241.75/40,868.81
  6. Step 6: Final answer
    x = 16,930.28

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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.