Home / 34,522.20-51,777.72-12,331.80

Finding the Fourth Proportional to 34,522.20, 51,777.72 and 12,331.80

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Solution

The fourth proportional to 34,522.20, 51,777.72 and 12,331.80 is: 18,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,522.20 : 51,777.72 = 12,331.80 : x
  2. Step 2: Convert to fraction form
    34,522.20/51,777.72 = 12,331.80/x
  3. Step 3: Cross multiply
    34,522.20x = 51,777.72 × 12,331.80
  4. Step 4: Simplify right side
    34,522.20x = 638,512,487.50
  5. Step 5: Solve for x
    x = 638,512,487.50/34,522.20
  6. Step 6: Final answer
    x = 18,495.71

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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.