Home / 38,331.96-57,483-11,672.16

Finding the Fourth Proportional to 38,331.96, 57,483 and 11,672.16

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Solution

The fourth proportional to 38,331.96, 57,483 and 11,672.16 is: 17,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.96 : 57,483 = 11,672.16 : x
  2. Step 2: Convert to fraction form
    38,331.96/57,483 = 11,672.16/x
  3. Step 3: Cross multiply
    38,331.96x = 57,483 × 11,672.16
  4. Step 4: Simplify right side
    38,331.96x = 670,950,773.28
  5. Step 5: Solve for x
    x = 670,950,773.28/38,331.96
  6. Step 6: Final answer
    x = 17,503.69

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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.