Home / 37,136.45-51,251.54-20,372.69

Finding the Fourth Proportional to 37,136.45, 51,251.54 and 20,372.69

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Solution

The fourth proportional to 37,136.45, 51,251.54 and 20,372.69 is: 28,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,136.45 : 51,251.54 = 20,372.69 : x
  2. Step 2: Convert to fraction form
    37,136.45/51,251.54 = 20,372.69/x
  3. Step 3: Cross multiply
    37,136.45x = 51,251.54 × 20,372.69
  4. Step 4: Simplify right side
    37,136.45x = 1,044,131,736.44
  5. Step 5: Solve for x
    x = 1,044,131,736.44/37,136.45
  6. Step 6: Final answer
    x = 28,116.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.