Home / 40,743.46-61,115.25-11,161.56

Finding the Fourth Proportional to 40,743.46, 61,115.25 and 11,161.56

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Solution

The fourth proportional to 40,743.46, 61,115.25 and 11,161.56 is: 16,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.46 : 61,115.25 = 11,161.56 : x
  2. Step 2: Convert to fraction form
    40,743.46/61,115.25 = 11,161.56/x
  3. Step 3: Cross multiply
    40,743.46x = 61,115.25 × 11,161.56
  4. Step 4: Simplify right side
    40,743.46x = 682,141,529.79
  5. Step 5: Solve for x
    x = 682,141,529.79/40,743.46
  6. Step 6: Final answer
    x = 16,742.36

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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.