Home / 38,072.32-57,113.76-11,773.60

Finding the Fourth Proportional to 38,072.32, 57,113.76 and 11,773.60

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Solution

The fourth proportional to 38,072.32, 57,113.76 and 11,773.60 is: 17,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.32 : 57,113.76 = 11,773.60 : x
  2. Step 2: Convert to fraction form
    38,072.32/57,113.76 = 11,773.60/x
  3. Step 3: Cross multiply
    38,072.32x = 57,113.76 × 11,773.60
  4. Step 4: Simplify right side
    38,072.32x = 672,434,564.74
  5. Step 5: Solve for x
    x = 672,434,564.74/38,072.32
  6. Step 6: Final answer
    x = 17,662.03

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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.