Home / 40,868.30-61,306-11,286.16

Finding the Fourth Proportional to 40,868.30, 61,306 and 11,286.16

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Solution

The fourth proportional to 40,868.30, 61,306 and 11,286.16 is: 16,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.30 : 61,306 = 11,286.16 : x
  2. Step 2: Convert to fraction form
    40,868.30/61,306 = 11,286.16/x
  3. Step 3: Cross multiply
    40,868.30x = 61,306 × 11,286.16
  4. Step 4: Simplify right side
    40,868.30x = 691,909,324.96
  5. Step 5: Solve for x
    x = 691,909,324.96/40,868.30
  6. Step 6: Final answer
    x = 16,930.22

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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.