Home / 38,131.62-57,197.14-11,477.50

Finding the Fourth Proportional to 38,131.62, 57,197.14 and 11,477.50

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Solution

The fourth proportional to 38,131.62, 57,197.14 and 11,477.50 is: 17,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.62 : 57,197.14 = 11,477.50 : x
  2. Step 2: Convert to fraction form
    38,131.62/57,197.14 = 11,477.50/x
  3. Step 3: Cross multiply
    38,131.62x = 57,197.14 × 11,477.50
  4. Step 4: Simplify right side
    38,131.62x = 656,480,174.35
  5. Step 5: Solve for x
    x = 656,480,174.35/38,131.62
  6. Step 6: Final answer
    x = 17,216.16

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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.