Home / 51,704.78-71,350.19-28,733.54

Finding the Fourth Proportional to 51,704.78, 71,350.19 and 28,733.54

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Solution

The fourth proportional to 51,704.78, 71,350.19 and 28,733.54 is: 39,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.78 : 71,350.19 = 28,733.54 : x
  2. Step 2: Convert to fraction form
    51,704.78/71,350.19 = 28,733.54/x
  3. Step 3: Cross multiply
    51,704.78x = 71,350.19 × 28,733.54
  4. Step 4: Simplify right side
    51,704.78x = 2,050,143,226.52
  5. Step 5: Solve for x
    x = 2,050,143,226.52/51,704.78
  6. Step 6: Final answer
    x = 39,650.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.