Home / 48,819.80-73,229.70-19,221.50

Finding the Fourth Proportional to 48,819.80, 73,229.70 and 19,221.50

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Solution

The fourth proportional to 48,819.80, 73,229.70 and 19,221.50 is: 28,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.80 : 73,229.70 = 19,221.50 : x
  2. Step 2: Convert to fraction form
    48,819.80/73,229.70 = 19,221.50/x
  3. Step 3: Cross multiply
    48,819.80x = 73,229.70 × 19,221.50
  4. Step 4: Simplify right side
    48,819.80x = 1,407,584,678.55
  5. Step 5: Solve for x
    x = 1,407,584,678.55/48,819.80
  6. Step 6: Final answer
    x = 28,832.25

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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.