Home / 34,861.20-52,270.20-20,062.80

Finding the Fourth Proportional to 34,861.20, 52,270.20 and 20,062.80

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Solution

The fourth proportional to 34,861.20, 52,270.20 and 20,062.80 is: 30,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.20 : 52,270.20 = 20,062.80 : x
  2. Step 2: Convert to fraction form
    34,861.20/52,270.20 = 20,062.80/x
  3. Step 3: Cross multiply
    34,861.20x = 52,270.20 × 20,062.80
  4. Step 4: Simplify right side
    34,861.20x = 1,048,686,568.56
  5. Step 5: Solve for x
    x = 1,048,686,568.56/34,861.20
  6. Step 6: Final answer
    x = 30,081.77

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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.