Home / 51,286.57-76,922.16-16,221.67

Finding the Fourth Proportional to 51,286.57, 76,922.16 and 16,221.67

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Solution

The fourth proportional to 51,286.57, 76,922.16 and 16,221.67 is: 24,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.57 : 76,922.16 = 16,221.67 : x
  2. Step 2: Convert to fraction form
    51,286.57/76,922.16 = 16,221.67/x
  3. Step 3: Cross multiply
    51,286.57x = 76,922.16 × 16,221.67
  4. Step 4: Simplify right side
    51,286.57x = 1,247,805,895.21
  5. Step 5: Solve for x
    x = 1,247,805,895.21/51,286.57
  6. Step 6: Final answer
    x = 24,330.07

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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.