Home / 38,433.33-57,648.35-13,135.11

Finding the Fourth Proportional to 38,433.33, 57,648.35 and 13,135.11

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Solution

The fourth proportional to 38,433.33, 57,648.35 and 13,135.11 is: 19,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433.33 : 57,648.35 = 13,135.11 : x
  2. Step 2: Convert to fraction form
    38,433.33/57,648.35 = 13,135.11/x
  3. Step 3: Cross multiply
    38,433.33x = 57,648.35 × 13,135.11
  4. Step 4: Simplify right side
    38,433.33x = 757,217,352.89
  5. Step 5: Solve for x
    x = 757,217,352.89/38,433.33
  6. Step 6: Final answer
    x = 19,702.10

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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.