Home / 48,707.46-73,005.80-20,609.96

Finding the Fourth Proportional to 48,707.46, 73,005.80 and 20,609.96

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Solution

The fourth proportional to 48,707.46, 73,005.80 and 20,609.96 is: 30,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.46 : 73,005.80 = 20,609.96 : x
  2. Step 2: Convert to fraction form
    48,707.46/73,005.80 = 20,609.96/x
  3. Step 3: Cross multiply
    48,707.46x = 73,005.80 × 20,609.96
  4. Step 4: Simplify right side
    48,707.46x = 1,504,646,149.69
  5. Step 5: Solve for x
    x = 1,504,646,149.69/48,707.46
  6. Step 6: Final answer
    x = 30,891.49

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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.