Home / 51,176.44-76,758.18-20,033.56

Finding the Fourth Proportional to 51,176.44, 76,758.18 and 20,033.56

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Solution

The fourth proportional to 51,176.44, 76,758.18 and 20,033.56 is: 30,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.44 : 76,758.18 = 20,033.56 : x
  2. Step 2: Convert to fraction form
    51,176.44/76,758.18 = 20,033.56/x
  3. Step 3: Cross multiply
    51,176.44x = 76,758.18 × 20,033.56
  4. Step 4: Simplify right side
    51,176.44x = 1,537,739,604.52
  5. Step 5: Solve for x
    x = 1,537,739,604.52/51,176.44
  6. Step 6: Final answer
    x = 30,047.80

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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.