Home / 38,091.14-57,143.35-15,920.09

Finding the Fourth Proportional to 38,091.14, 57,143.35 and 15,920.09

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Solution

The fourth proportional to 38,091.14, 57,143.35 and 15,920.09 is: 23,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.14 : 57,143.35 = 15,920.09 : x
  2. Step 2: Convert to fraction form
    38,091.14/57,143.35 = 15,920.09/x
  3. Step 3: Cross multiply
    38,091.14x = 57,143.35 × 15,920.09
  4. Step 4: Simplify right side
    38,091.14x = 909,727,338.16
  5. Step 5: Solve for x
    x = 909,727,338.16/38,091.14
  6. Step 6: Final answer
    x = 23,882.91

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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.