Home / 45,515.52-68,183.17-21,466.89

Finding the Fourth Proportional to 45,515.52, 68,183.17 and 21,466.89

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Solution

The fourth proportional to 45,515.52, 68,183.17 and 21,466.89 is: 32,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.52 : 68,183.17 = 21,466.89 : x
  2. Step 2: Convert to fraction form
    45,515.52/68,183.17 = 21,466.89/x
  3. Step 3: Cross multiply
    45,515.52x = 68,183.17 × 21,466.89
  4. Step 4: Simplify right side
    45,515.52x = 1,463,680,556.57
  5. Step 5: Solve for x
    x = 1,463,680,556.57/45,515.52
  6. Step 6: Final answer
    x = 32,157.83

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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.