Home / 38,837.75-58,131.32-20,091.97

Finding the Fourth Proportional to 38,837.75, 58,131.32 and 20,091.97

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Solution

The fourth proportional to 38,837.75, 58,131.32 and 20,091.97 is: 30,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837.75 : 58,131.32 = 20,091.97 : x
  2. Step 2: Convert to fraction form
    38,837.75/58,131.32 = 20,091.97/x
  3. Step 3: Cross multiply
    38,837.75x = 58,131.32 × 20,091.97
  4. Step 4: Simplify right side
    38,837.75x = 1,167,972,737.50
  5. Step 5: Solve for x
    x = 1,167,972,737.50/38,837.75
  6. Step 6: Final answer
    x = 30,073.13

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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.