Home / 48,717.10-73,020.34-20,619.62

Finding the Fourth Proportional to 48,717.10, 73,020.34 and 20,619.62

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Solution

The fourth proportional to 48,717.10, 73,020.34 and 20,619.62 is: 30,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,717.10 : 73,020.34 = 20,619.62 : x
  2. Step 2: Convert to fraction form
    48,717.10/73,020.34 = 20,619.62/x
  3. Step 3: Cross multiply
    48,717.10x = 73,020.34 × 20,619.62
  4. Step 4: Simplify right side
    48,717.10x = 1,505,651,663.07
  5. Step 5: Solve for x
    x = 1,505,651,663.07/48,717.10
  6. Step 6: Final answer
    x = 30,906.02

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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.