Home / 38,203.53-57,305.33-13,243.59

Finding the Fourth Proportional to 38,203.53, 57,305.33 and 13,243.59

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Solution

The fourth proportional to 38,203.53, 57,305.33 and 13,243.59 is: 19,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,203.53 : 57,305.33 = 13,243.59 : x
  2. Step 2: Convert to fraction form
    38,203.53/57,305.33 = 13,243.59/x
  3. Step 3: Cross multiply
    38,203.53x = 57,305.33 × 13,243.59
  4. Step 4: Simplify right side
    38,203.53x = 758,928,229.12
  5. Step 5: Solve for x
    x = 758,928,229.12/38,203.53
  6. Step 6: Final answer
    x = 19,865.40

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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.