Home / 48,338.15-72,493.20-20,257.47

Finding the Fourth Proportional to 48,338.15, 72,493.20 and 20,257.47

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Solution

The fourth proportional to 48,338.15, 72,493.20 and 20,257.47 is: 30,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338.15 : 72,493.20 = 20,257.47 : x
  2. Step 2: Convert to fraction form
    48,338.15/72,493.20 = 20,257.47/x
  3. Step 3: Cross multiply
    48,338.15x = 72,493.20 × 20,257.47
  4. Step 4: Simplify right side
    48,338.15x = 1,468,528,824.20
  5. Step 5: Solve for x
    x = 1,468,528,824.20/48,338.15
  6. Step 6: Final answer
    x = 30,380.33

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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.