Home / 48,819.30-73,196.13-19,221.90

Finding the Fourth Proportional to 48,819.30, 73,196.13 and 19,221.90

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Solution

The fourth proportional to 48,819.30, 73,196.13 and 19,221.90 is: 28,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.30 : 73,196.13 = 19,221.90 : x
  2. Step 2: Convert to fraction form
    48,819.30/73,196.13 = 19,221.90/x
  3. Step 3: Cross multiply
    48,819.30x = 73,196.13 × 19,221.90
  4. Step 4: Simplify right side
    48,819.30x = 1,406,968,691.25
  5. Step 5: Solve for x
    x = 1,406,968,691.25/48,819.30
  6. Step 6: Final answer
    x = 28,819.93

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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.