Home / 38,091.68-57,174.46-18,384.10

Finding the Fourth Proportional to 38,091.68, 57,174.46 and 18,384.10

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Solution

The fourth proportional to 38,091.68, 57,174.46 and 18,384.10 is: 27,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.68 : 57,174.46 = 18,384.10 : x
  2. Step 2: Convert to fraction form
    38,091.68/57,174.46 = 18,384.10/x
  3. Step 3: Cross multiply
    38,091.68x = 57,174.46 × 18,384.10
  4. Step 4: Simplify right side
    38,091.68x = 1,051,100,990.09
  5. Step 5: Solve for x
    x = 1,051,100,990.09/38,091.68
  6. Step 6: Final answer
    x = 27,593.98

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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.