Home / 38,747.20-58,077.60-16,556.80

Finding the Fourth Proportional to 38,747.20, 58,077.60 and 16,556.80

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Solution

The fourth proportional to 38,747.20, 58,077.60 and 16,556.80 is: 24,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.20 : 58,077.60 = 16,556.80 : x
  2. Step 2: Convert to fraction form
    38,747.20/58,077.60 = 16,556.80/x
  3. Step 3: Cross multiply
    38,747.20x = 58,077.60 × 16,556.80
  4. Step 4: Simplify right side
    38,747.20x = 961,579,207.68
  5. Step 5: Solve for x
    x = 961,579,207.68/38,747.20
  6. Step 6: Final answer
    x = 24,816.74

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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.