Home / 20,548.85-30,823.28-5,759.96

Finding the Fourth Proportional to 20,548.85, 30,823.28 and 5,759.96

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Solution

The fourth proportional to 20,548.85, 30,823.28 and 5,759.96 is: 8,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.85 : 30,823.28 = 5,759.96 : x
  2. Step 2: Convert to fraction form
    20,548.85/30,823.28 = 5,759.96/x
  3. Step 3: Cross multiply
    20,548.85x = 30,823.28 × 5,759.96
  4. Step 4: Simplify right side
    20,548.85x = 177,540,859.87
  5. Step 5: Solve for x
    x = 177,540,859.87/20,548.85
  6. Step 6: Final answer
    x = 8,639.94

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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.