Home / 33,679.50-50,491.61-13,972.20

Finding the Fourth Proportional to 33,679.50, 50,491.61 and 13,972.20

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Solution

The fourth proportional to 33,679.50, 50,491.61 and 13,972.20 is: 20,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,679.50 : 50,491.61 = 13,972.20 : x
  2. Step 2: Convert to fraction form
    33,679.50/50,491.61 = 13,972.20/x
  3. Step 3: Cross multiply
    33,679.50x = 50,491.61 × 13,972.20
  4. Step 4: Simplify right side
    33,679.50x = 705,478,803.38
  5. Step 5: Solve for x
    x = 705,478,803.38/33,679.50
  6. Step 6: Final answer
    x = 20,946.83

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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.