Home / 41,136.78-61,704.62-9,972.30

Finding the Fourth Proportional to 41,136.78, 61,704.62 and 9,972.30

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Solution

The fourth proportional to 41,136.78, 61,704.62 and 9,972.30 is: 14,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,136.78 : 61,704.62 = 9,972.30 : x
  2. Step 2: Convert to fraction form
    41,136.78/61,704.62 = 9,972.30/x
  3. Step 3: Cross multiply
    41,136.78x = 61,704.62 × 9,972.30
  4. Step 4: Simplify right side
    41,136.78x = 615,336,982.03
  5. Step 5: Solve for x
    x = 615,336,982.03/41,136.78
  6. Step 6: Final answer
    x = 14,958.32

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1.5x scale

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.