Home / 20,273.87-30,411.58-5,482.79

Finding the Fourth Proportional to 20,273.87, 30,411.58 and 5,482.79

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Solution

The fourth proportional to 20,273.87, 30,411.58 and 5,482.79 is: 8,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.87 : 30,411.58 = 5,482.79 : x
  2. Step 2: Convert to fraction form
    20,273.87/30,411.58 = 5,482.79/x
  3. Step 3: Cross multiply
    20,273.87x = 30,411.58 × 5,482.79
  4. Step 4: Simplify right side
    20,273.87x = 166,740,249.85
  5. Step 5: Solve for x
    x = 166,740,249.85/20,273.87
  6. Step 6: Final answer
    x = 8,224.39

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Double scale
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Similar ratio
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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.