Home / 20,539.47-30,805.50-5,744.73

Finding the Fourth Proportional to 20,539.47, 30,805.50 and 5,744.73

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Solution

The fourth proportional to 20,539.47, 30,805.50 and 5,744.73 is: 8,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.47 : 30,805.50 = 5,744.73 : x
  2. Step 2: Convert to fraction form
    20,539.47/30,805.50 = 5,744.73/x
  3. Step 3: Cross multiply
    20,539.47x = 30,805.50 × 5,744.73
  4. Step 4: Simplify right side
    20,539.47x = 176,969,280.02
  5. Step 5: Solve for x
    x = 176,969,280.02/20,539.47
  6. Step 6: Final answer
    x = 8,616.06

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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.