Home / 33,829.80-50,689.30-18,018.05

Finding the Fourth Proportional to 33,829.80, 50,689.30 and 18,018.05

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Solution

The fourth proportional to 33,829.80, 50,689.30 and 18,018.05 is: 26,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,829.80 : 50,689.30 = 18,018.05 : x
  2. Step 2: Convert to fraction form
    33,829.80/50,689.30 = 18,018.05/x
  3. Step 3: Cross multiply
    33,829.80x = 50,689.30 × 18,018.05
  4. Step 4: Simplify right side
    33,829.80x = 913,322,341.87
  5. Step 5: Solve for x
    x = 913,322,341.87/33,829.80
  6. Step 6: Final answer
    x = 26,997.57

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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.