Home / 48,819.80-73,229.70-40,509.20

Finding the Fourth Proportional to 48,819.80, 73,229.70 and 40,509.20

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Solution

The fourth proportional to 48,819.80, 73,229.70 and 40,509.20 is: 60,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.80 : 73,229.70 = 40,509.20 : x
  2. Step 2: Convert to fraction form
    48,819.80/73,229.70 = 40,509.20/x
  3. Step 3: Cross multiply
    48,819.80x = 73,229.70 × 40,509.20
  4. Step 4: Simplify right side
    48,819.80x = 2,966,476,563.24
  5. Step 5: Solve for x
    x = 2,966,476,563.24/48,819.80
  6. Step 6: Final answer
    x = 60,763.80

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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.