Home / 38,127.52-57,138.67-27,512.97

Finding the Fourth Proportional to 38,127.52, 57,138.67 and 27,512.97

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Solution

The fourth proportional to 38,127.52, 57,138.67 and 27,512.97 is: 41,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.52 : 57,138.67 = 27,512.97 : x
  2. Step 2: Convert to fraction form
    38,127.52/57,138.67 = 27,512.97/x
  3. Step 3: Cross multiply
    38,127.52x = 57,138.67 × 27,512.97
  4. Step 4: Simplify right side
    38,127.52x = 1,572,054,513.55
  5. Step 5: Solve for x
    x = 1,572,054,513.55/38,127.52
  6. Step 6: Final answer
    x = 41,231.49

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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.