Home / 38,516.67-57,791.48-18,516.56

Finding the Fourth Proportional to 38,516.67, 57,791.48 and 18,516.56

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Solution

The fourth proportional to 38,516.67, 57,791.48 and 18,516.56 is: 27,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.67 : 57,791.48 = 18,516.56 : x
  2. Step 2: Convert to fraction form
    38,516.67/57,791.48 = 18,516.56/x
  3. Step 3: Cross multiply
    38,516.67x = 57,791.48 × 18,516.56
  4. Step 4: Simplify right side
    38,516.67x = 1,070,099,025.37
  5. Step 5: Solve for x
    x = 1,070,099,025.37/38,516.67
  6. Step 6: Final answer
    x = 27,782.75

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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.