Home / 38,105.46-57,195.08-18,397.84

Finding the Fourth Proportional to 38,105.46, 57,195.08 and 18,397.84

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Solution

The fourth proportional to 38,105.46, 57,195.08 and 18,397.84 is: 27,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.46 : 57,195.08 = 18,397.84 : x
  2. Step 2: Convert to fraction form
    38,105.46/57,195.08 = 18,397.84/x
  3. Step 3: Cross multiply
    38,105.46x = 57,195.08 × 18,397.84
  4. Step 4: Simplify right side
    38,105.46x = 1,052,265,930.63
  5. Step 5: Solve for x
    x = 1,052,265,930.63/38,105.46
  6. Step 6: Final answer
    x = 27,614.57

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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.