Home / 48,403.54-72,633.84-20,328.52

Finding the Fourth Proportional to 48,403.54, 72,633.84 and 20,328.52

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Solution

The fourth proportional to 48,403.54, 72,633.84 and 20,328.52 is: 30,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,403.54 : 72,633.84 = 20,328.52 : x
  2. Step 2: Convert to fraction form
    48,403.54/72,633.84 = 20,328.52/x
  3. Step 3: Cross multiply
    48,403.54x = 72,633.84 × 20,328.52
  4. Step 4: Simplify right side
    48,403.54x = 1,476,538,469.12
  5. Step 5: Solve for x
    x = 1,476,538,469.12/48,403.54
  6. Step 6: Final answer
    x = 30,504.76

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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.