Home / 20,581.83-30,872.73-4,999.44

Finding the Fourth Proportional to 20,581.83, 30,872.73 and 4,999.44

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Solution

The fourth proportional to 20,581.83, 30,872.73 and 4,999.44 is: 7,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.83 : 30,872.73 = 4,999.44 : x
  2. Step 2: Convert to fraction form
    20,581.83/30,872.73 = 4,999.44/x
  3. Step 3: Cross multiply
    20,581.83x = 30,872.73 × 4,999.44
  4. Step 4: Simplify right side
    20,581.83x = 154,346,361.27
  5. Step 5: Solve for x
    x = 154,346,361.27/20,581.83
  6. Step 6: Final answer
    x = 7,499.16

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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.