Home / 38,516.80-57,791.66-18,516.68

Finding the Fourth Proportional to 38,516.80, 57,791.66 and 18,516.68

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Solution

The fourth proportional to 38,516.80, 57,791.66 and 18,516.68 is: 27,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.80 : 57,791.66 = 18,516.68 : x
  2. Step 2: Convert to fraction form
    38,516.80/57,791.66 = 18,516.68/x
  3. Step 3: Cross multiply
    38,516.80x = 57,791.66 × 18,516.68
  4. Step 4: Simplify right side
    38,516.80x = 1,070,109,721.18
  5. Step 5: Solve for x
    x = 1,070,109,721.18/38,516.80
  6. Step 6: Final answer
    x = 27,782.94

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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.