Home / 20,544.35-30,816.52-5,755.46

Finding the Fourth Proportional to 20,544.35, 30,816.52 and 5,755.46

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Solution

The fourth proportional to 20,544.35, 30,816.52 and 5,755.46 is: 8,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.35 : 30,816.52 = 5,755.46 : x
  2. Step 2: Convert to fraction form
    20,544.35/30,816.52 = 5,755.46/x
  3. Step 3: Cross multiply
    20,544.35x = 30,816.52 × 5,755.46
  4. Step 4: Simplify right side
    20,544.35x = 177,363,079.73
  5. Step 5: Solve for x
    x = 177,363,079.73/20,544.35
  6. Step 6: Final answer
    x = 8,633.18

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1.5x scale

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.