Home / 37,778.88-56,640.60-19,049.64

Finding the Fourth Proportional to 37,778.88, 56,640.60 and 19,049.64

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Solution

The fourth proportional to 37,778.88, 56,640.60 and 19,049.64 is: 28,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,778.88 : 56,640.60 = 19,049.64 : x
  2. Step 2: Convert to fraction form
    37,778.88/56,640.60 = 19,049.64/x
  3. Step 3: Cross multiply
    37,778.88x = 56,640.60 × 19,049.64
  4. Step 4: Simplify right side
    37,778.88x = 1,078,983,039.38
  5. Step 5: Solve for x
    x = 1,078,983,039.38/37,778.88
  6. Step 6: Final answer
    x = 28,560.48

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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.