Home / 37,912.64-56,872.20-11,619.68

Finding the Fourth Proportional to 37,912.64, 56,872.20 and 11,619.68

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Solution

The fourth proportional to 37,912.64, 56,872.20 and 11,619.68 is: 17,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.64 : 56,872.20 = 11,619.68 : x
  2. Step 2: Convert to fraction form
    37,912.64/56,872.20 = 11,619.68/x
  3. Step 3: Cross multiply
    37,912.64x = 56,872.20 × 11,619.68
  4. Step 4: Simplify right side
    37,912.64x = 660,836,764.90
  5. Step 5: Solve for x
    x = 660,836,764.90/37,912.64
  6. Step 6: Final answer
    x = 17,430.51

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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.