Home / 37,720.62-56,561.49-15,529.86

Finding the Fourth Proportional to 37,720.62, 56,561.49 and 15,529.86

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Solution

The fourth proportional to 37,720.62, 56,561.49 and 15,529.86 is: 23,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.62 : 56,561.49 = 15,529.86 : x
  2. Step 2: Convert to fraction form
    37,720.62/56,561.49 = 15,529.86/x
  3. Step 3: Cross multiply
    37,720.62x = 56,561.49 × 15,529.86
  4. Step 4: Simplify right side
    37,720.62x = 878,392,021.09
  5. Step 5: Solve for x
    x = 878,392,021.09/37,720.62
  6. Step 6: Final answer
    x = 23,286.79

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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.