Home / 32,013.12-47,994.82-20,744.66

Finding the Fourth Proportional to 32,013.12, 47,994.82 and 20,744.66

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Solution

The fourth proportional to 32,013.12, 47,994.82 and 20,744.66 is: 31,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,013.12 : 47,994.82 = 20,744.66 : x
  2. Step 2: Convert to fraction form
    32,013.12/47,994.82 = 20,744.66/x
  3. Step 3: Cross multiply
    32,013.12x = 47,994.82 × 20,744.66
  4. Step 4: Simplify right side
    32,013.12x = 995,635,991.64
  5. Step 5: Solve for x
    x = 995,635,991.64/32,013.12
  6. Step 6: Final answer
    x = 31,100.87

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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.