Home / 48,623.99-72,964.68-20,542.22

Finding the Fourth Proportional to 48,623.99, 72,964.68 and 20,542.22

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Solution

The fourth proportional to 48,623.99, 72,964.68 and 20,542.22 is: 30,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,623.99 : 72,964.68 = 20,542.22 : x
  2. Step 2: Convert to fraction form
    48,623.99/72,964.68 = 20,542.22/x
  3. Step 3: Cross multiply
    48,623.99x = 72,964.68 × 20,542.22
  4. Step 4: Simplify right side
    48,623.99x = 1,498,856,508.79
  5. Step 5: Solve for x
    x = 1,498,856,508.79/48,623.99
  6. Step 6: Final answer
    x = 30,825.45

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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.