Home / 50,990.28-76,472.38-15,911.88

Finding the Fourth Proportional to 50,990.28, 76,472.38 and 15,911.88

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Solution

The fourth proportional to 50,990.28, 76,472.38 and 15,911.88 is: 23,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.28 : 76,472.38 = 15,911.88 : x
  2. Step 2: Convert to fraction form
    50,990.28/76,472.38 = 15,911.88/x
  3. Step 3: Cross multiply
    50,990.28x = 76,472.38 × 15,911.88
  4. Step 4: Simplify right side
    50,990.28x = 1,216,819,333.87
  5. Step 5: Solve for x
    x = 1,216,819,333.87/50,990.28
  6. Step 6: Final answer
    x = 23,863.75

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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.