Home / 31,795.20-47,654.40-16,204.80

Finding the Fourth Proportional to 31,795.20, 47,654.40 and 16,204.80

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Solution

The fourth proportional to 31,795.20, 47,654.40 and 16,204.80 is: 24,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.20 : 47,654.40 = 16,204.80 : x
  2. Step 2: Convert to fraction form
    31,795.20/47,654.40 = 16,204.80/x
  3. Step 3: Cross multiply
    31,795.20x = 47,654.40 × 16,204.80
  4. Step 4: Simplify right side
    31,795.20x = 772,230,021.12
  5. Step 5: Solve for x
    x = 772,230,021.12/31,795.20
  6. Step 6: Final answer
    x = 24,287.63

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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.