Home / 40,743.53-61,115.34-11,161.62

Finding the Fourth Proportional to 40,743.53, 61,115.34 and 11,161.62

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Solution

The fourth proportional to 40,743.53, 61,115.34 and 11,161.62 is: 16,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.53 : 61,115.34 = 11,161.62 : x
  2. Step 2: Convert to fraction form
    40,743.53/61,115.34 = 11,161.62/x
  3. Step 3: Cross multiply
    40,743.53x = 61,115.34 × 11,161.62
  4. Step 4: Simplify right side
    40,743.53x = 682,146,201.25
  5. Step 5: Solve for x
    x = 682,146,201.25/40,743.53
  6. Step 6: Final answer
    x = 16,742.44

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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.