Home / 31,917.46-47,849.39-13,892.22

Finding the Fourth Proportional to 31,917.46, 47,849.39 and 13,892.22

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Solution

The fourth proportional to 31,917.46, 47,849.39 and 13,892.22 is: 20,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.46 : 47,849.39 = 13,892.22 : x
  2. Step 2: Convert to fraction form
    31,917.46/47,849.39 = 13,892.22/x
  3. Step 3: Cross multiply
    31,917.46x = 47,849.39 × 13,892.22
  4. Step 4: Simplify right side
    31,917.46x = 664,734,414.82
  5. Step 5: Solve for x
    x = 664,734,414.82/31,917.46
  6. Step 6: Final answer
    x = 20,826.67

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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.