Home / 48,231.28-72,351.93-13,170.94

Finding the Fourth Proportional to 48,231.28, 72,351.93 and 13,170.94

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Solution

The fourth proportional to 48,231.28, 72,351.93 and 13,170.94 is: 19,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,231.28 : 72,351.93 = 13,170.94 : x
  2. Step 2: Convert to fraction form
    48,231.28/72,351.93 = 13,170.94/x
  3. Step 3: Cross multiply
    48,231.28x = 72,351.93 × 13,170.94
  4. Step 4: Simplify right side
    48,231.28x = 952,942,797.43
  5. Step 5: Solve for x
    x = 952,942,797.43/48,231.28
  6. Step 6: Final answer
    x = 19,757.77

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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.