Home / 39,872.96-59,821.13-11,793.75

Finding the Fourth Proportional to 39,872.96, 59,821.13 and 11,793.75

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Solution

The fourth proportional to 39,872.96, 59,821.13 and 11,793.75 is: 17,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.96 : 59,821.13 = 11,793.75 : x
  2. Step 2: Convert to fraction form
    39,872.96/59,821.13 = 11,793.75/x
  3. Step 3: Cross multiply
    39,872.96x = 59,821.13 × 11,793.75
  4. Step 4: Simplify right side
    39,872.96x = 705,515,437.20
  5. Step 5: Solve for x
    x = 705,515,437.20/39,872.96
  6. Step 6: Final answer
    x = 17,694.08

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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.