Home / 40,786.44-61,178.88-16,765.68

Finding the Fourth Proportional to 40,786.44, 61,178.88 and 16,765.68

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Solution

The fourth proportional to 40,786.44, 61,178.88 and 16,765.68 is: 25,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.44 : 61,178.88 = 16,765.68 : x
  2. Step 2: Convert to fraction form
    40,786.44/61,178.88 = 16,765.68/x
  3. Step 3: Cross multiply
    40,786.44x = 61,178.88 × 16,765.68
  4. Step 4: Simplify right side
    40,786.44x = 1,025,705,524.84
  5. Step 5: Solve for x
    x = 1,025,705,524.84/40,786.44
  6. Step 6: Final answer
    x = 25,148.20

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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.