Home / 38,014.91-57,019.16-11,719.88

Finding the Fourth Proportional to 38,014.91, 57,019.16 and 11,719.88

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Solution

The fourth proportional to 38,014.91, 57,019.16 and 11,719.88 is: 17,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.91 : 57,019.16 = 11,719.88 : x
  2. Step 2: Convert to fraction form
    38,014.91/57,019.16 = 11,719.88/x
  3. Step 3: Cross multiply
    38,014.91x = 57,019.16 × 11,719.88
  4. Step 4: Simplify right side
    38,014.91x = 668,257,369.21
  5. Step 5: Solve for x
    x = 668,257,369.21/38,014.91
  6. Step 6: Final answer
    x = 17,578.83

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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.