Home / 48,553.44-72,859.32-20,471.76

Finding the Fourth Proportional to 48,553.44, 72,859.32 and 20,471.76

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Solution

The fourth proportional to 48,553.44, 72,859.32 and 20,471.76 is: 30,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,553.44 : 72,859.32 = 20,471.76 : x
  2. Step 2: Convert to fraction form
    48,553.44/72,859.32 = 20,471.76/x
  3. Step 3: Cross multiply
    48,553.44x = 72,859.32 × 20,471.76
  4. Step 4: Simplify right side
    48,553.44x = 1,491,558,512.80
  5. Step 5: Solve for x
    x = 1,491,558,512.80/48,553.44
  6. Step 6: Final answer
    x = 30,719.93

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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.