Home / 40,861.20-61,295.34-11,279.05

Finding the Fourth Proportional to 40,861.20, 61,295.34 and 11,279.05

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Solution

The fourth proportional to 40,861.20, 61,295.34 and 11,279.05 is: 16,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861.20 : 61,295.34 = 11,279.05 : x
  2. Step 2: Convert to fraction form
    40,861.20/61,295.34 = 11,279.05/x
  3. Step 3: Cross multiply
    40,861.20x = 61,295.34 × 11,279.05
  4. Step 4: Simplify right side
    40,861.20x = 691,353,093.69
  5. Step 5: Solve for x
    x = 691,353,093.69/40,861.20
  6. Step 6: Final answer
    x = 16,919.55

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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.