Home / 20,049.66-30,076.41-5,258.70

Finding the Fourth Proportional to 20,049.66, 30,076.41 and 5,258.70

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Solution

The fourth proportional to 20,049.66, 30,076.41 and 5,258.70 is: 7,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.66 : 30,076.41 = 5,258.70 : x
  2. Step 2: Convert to fraction form
    20,049.66/30,076.41 = 5,258.70/x
  3. Step 3: Cross multiply
    20,049.66x = 30,076.41 × 5,258.70
  4. Step 4: Simplify right side
    20,049.66x = 158,162,817.27
  5. Step 5: Solve for x
    x = 158,162,817.27/20,049.66
  6. Step 6: Final answer
    x = 7,888.55

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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.