Home / 37,769.80-56,687.10-16,742.20

Finding the Fourth Proportional to 37,769.80, 56,687.10 and 16,742.20

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Solution

The fourth proportional to 37,769.80, 56,687.10 and 16,742.20 is: 25,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,769.80 : 56,687.10 = 16,742.20 : x
  2. Step 2: Convert to fraction form
    37,769.80/56,687.10 = 16,742.20/x
  3. Step 3: Cross multiply
    37,769.80x = 56,687.10 × 16,742.20
  4. Step 4: Simplify right side
    37,769.80x = 949,066,765.62
  5. Step 5: Solve for x
    x = 949,066,765.62/37,769.80
  6. Step 6: Final answer
    x = 25,127.66

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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.