Home / 38,575.20-57,819.60-16,384.80

Finding the Fourth Proportional to 38,575.20, 57,819.60 and 16,384.80

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Solution

The fourth proportional to 38,575.20, 57,819.60 and 16,384.80 is: 24,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.20 : 57,819.60 = 16,384.80 : x
  2. Step 2: Convert to fraction form
    38,575.20/57,819.60 = 16,384.80/x
  3. Step 3: Cross multiply
    38,575.20x = 57,819.60 × 16,384.80
  4. Step 4: Simplify right side
    38,575.20x = 947,362,582.08
  5. Step 5: Solve for x
    x = 947,362,582.08/38,575.20
  6. Step 6: Final answer
    x = 24,558.85

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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.