Home / 38,103.96-57,135.06-11,801.40

Finding the Fourth Proportional to 38,103.96, 57,135.06 and 11,801.40

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Solution

The fourth proportional to 38,103.96, 57,135.06 and 11,801.40 is: 17,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.96 : 57,135.06 = 11,801.40 : x
  2. Step 2: Convert to fraction form
    38,103.96/57,135.06 = 11,801.40/x
  3. Step 3: Cross multiply
    38,103.96x = 57,135.06 × 11,801.40
  4. Step 4: Simplify right side
    38,103.96x = 674,273,697.08
  5. Step 5: Solve for x
    x = 674,273,697.08/38,103.96
  6. Step 6: Final answer
    x = 17,695.63

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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.