Home / 55,529.76-83,327.22-20,493.84

Finding the Fourth Proportional to 55,529.76, 83,327.22 and 20,493.84

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Solution

The fourth proportional to 55,529.76, 83,327.22 and 20,493.84 is: 30,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.76 : 83,327.22 = 20,493.84 : x
  2. Step 2: Convert to fraction form
    55,529.76/83,327.22 = 20,493.84/x
  3. Step 3: Cross multiply
    55,529.76x = 83,327.22 × 20,493.84
  4. Step 4: Simplify right side
    55,529.76x = 1,707,694,714.32
  5. Step 5: Solve for x
    x = 1,707,694,714.32/55,529.76
  6. Step 6: Final answer
    x = 30,752.78

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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.