Home / 38,493.30-57,748.05-12,200.70

Finding the Fourth Proportional to 38,493.30, 57,748.05 and 12,200.70

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Solution

The fourth proportional to 38,493.30, 57,748.05 and 12,200.70 is: 18,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.30 : 57,748.05 = 12,200.70 : x
  2. Step 2: Convert to fraction form
    38,493.30/57,748.05 = 12,200.70/x
  3. Step 3: Cross multiply
    38,493.30x = 57,748.05 × 12,200.70
  4. Step 4: Simplify right side
    38,493.30x = 704,566,633.64
  5. Step 5: Solve for x
    x = 704,566,633.64/38,493.30
  6. Step 6: Final answer
    x = 18,303.62

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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.