Home / 33,028.86-45,579.78-18,882

Finding the Fourth Proportional to 33,028.86, 45,579.78 and 18,882

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Solution

The fourth proportional to 33,028.86, 45,579.78 and 18,882 is: 26,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.86 : 45,579.78 = 18,882 : x
  2. Step 2: Convert to fraction form
    33,028.86/45,579.78 = 18,882/x
  3. Step 3: Cross multiply
    33,028.86x = 45,579.78 × 18,882
  4. Step 4: Simplify right side
    33,028.86x = 860,637,405.96
  5. Step 5: Solve for x
    x = 860,637,405.96/33,028.86
  6. Step 6: Final answer
    x = 26,057.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.