Home / 48,621.24-72,960.56-20,539.47

Finding the Fourth Proportional to 48,621.24, 72,960.56 and 20,539.47

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Solution

The fourth proportional to 48,621.24, 72,960.56 and 20,539.47 is: 30,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,621.24 : 72,960.56 = 20,539.47 : x
  2. Step 2: Convert to fraction form
    48,621.24/72,960.56 = 20,539.47/x
  3. Step 3: Cross multiply
    48,621.24x = 72,960.56 × 20,539.47
  4. Step 4: Simplify right side
    48,621.24x = 1,498,571,481.23
  5. Step 5: Solve for x
    x = 1,498,571,481.23/48,621.24
  6. Step 6: Final answer
    x = 30,821.33

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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.