Home / 33,028.85-45,579.80-18,882

Finding the Fourth Proportional to 33,028.85, 45,579.80 and 18,882

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Solution

The fourth proportional to 33,028.85, 45,579.80 and 18,882 is: 26,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.85 : 45,579.80 = 18,882 : x
  2. Step 2: Convert to fraction form
    33,028.85/45,579.80 = 18,882/x
  3. Step 3: Cross multiply
    33,028.85x = 45,579.80 × 18,882
  4. Step 4: Simplify right side
    33,028.85x = 860,637,689.19
  5. Step 5: Solve for x
    x = 860,637,689.19/33,028.85
  6. Step 6: Final answer
    x = 26,057.15

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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.