Home / 33,135.85-45,727.67-18,028.63

Finding the Fourth Proportional to 33,135.85, 45,727.67 and 18,028.63

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Solution

The fourth proportional to 33,135.85, 45,727.67 and 18,028.63 is: 24,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.85 : 45,727.67 = 18,028.63 : x
  2. Step 2: Convert to fraction form
    33,135.85/45,727.67 = 18,028.63/x
  3. Step 3: Cross multiply
    33,135.85x = 45,727.67 × 18,028.63
  4. Step 4: Simplify right side
    33,135.85x = 824,407,107.22
  5. Step 5: Solve for x
    x = 824,407,107.22/33,135.85
  6. Step 6: Final answer
    x = 24,879.61

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1.5x scale

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.