Home / 20,046.87-30,070.44-5,255.66

Finding the Fourth Proportional to 20,046.87, 30,070.44 and 5,255.66

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Solution

The fourth proportional to 20,046.87, 30,070.44 and 5,255.66 is: 7,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.87 : 30,070.44 = 5,255.66 : x
  2. Step 2: Convert to fraction form
    20,046.87/30,070.44 = 5,255.66/x
  3. Step 3: Cross multiply
    20,046.87x = 30,070.44 × 5,255.66
  4. Step 4: Simplify right side
    20,046.87x = 158,039,951.39
  5. Step 5: Solve for x
    x = 158,039,951.39/20,046.87
  6. Step 6: Final answer
    x = 7,883.52

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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.