Home / 50,786.37-76,158.50-19,190.97

Finding the Fourth Proportional to 50,786.37, 76,158.50 and 19,190.97

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Solution

The fourth proportional to 50,786.37, 76,158.50 and 19,190.97 is: 28,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,786.37 : 76,158.50 = 19,190.97 : x
  2. Step 2: Convert to fraction form
    50,786.37/76,158.50 = 19,190.97/x
  3. Step 3: Cross multiply
    50,786.37x = 76,158.50 × 19,190.97
  4. Step 4: Simplify right side
    50,786.37x = 1,461,555,392.79
  5. Step 5: Solve for x
    x = 1,461,555,392.79/50,786.37
  6. Step 6: Final answer
    x = 28,778.50

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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.