Home / 33,997.86-46,920.21-20,572.42

Finding the Fourth Proportional to 33,997.86, 46,920.21 and 20,572.42

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Solution

The fourth proportional to 33,997.86, 46,920.21 and 20,572.42 is: 28,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.86 : 46,920.21 = 20,572.42 : x
  2. Step 2: Convert to fraction form
    33,997.86/46,920.21 = 20,572.42/x
  3. Step 3: Cross multiply
    33,997.86x = 46,920.21 × 20,572.42
  4. Step 4: Simplify right side
    33,997.86x = 965,262,266.61
  5. Step 5: Solve for x
    x = 965,262,266.61/33,997.86
  6. Step 6: Final answer
    x = 28,391.85

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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.