Home / 38,693.13-57,961.94-20,186.25

Finding the Fourth Proportional to 38,693.13, 57,961.94 and 20,186.25

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Solution

The fourth proportional to 38,693.13, 57,961.94 and 20,186.25 is: 30,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,693.13 : 57,961.94 = 20,186.25 : x
  2. Step 2: Convert to fraction form
    38,693.13/57,961.94 = 20,186.25/x
  3. Step 3: Cross multiply
    38,693.13x = 57,961.94 × 20,186.25
  4. Step 4: Simplify right side
    38,693.13x = 1,170,034,110.39
  5. Step 5: Solve for x
    x = 1,170,034,110.39/38,693.13
  6. Step 6: Final answer
    x = 30,238.81

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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.