Home / 33,919.98-46,811.16-21,180.71

Finding the Fourth Proportional to 33,919.98, 46,811.16 and 21,180.71

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Solution

The fourth proportional to 33,919.98, 46,811.16 and 21,180.71 is: 29,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.98 : 46,811.16 = 21,180.71 : x
  2. Step 2: Convert to fraction form
    33,919.98/46,811.16 = 21,180.71/x
  3. Step 3: Cross multiply
    33,919.98x = 46,811.16 × 21,180.71
  4. Step 4: Simplify right side
    33,919.98x = 991,493,370.67
  5. Step 5: Solve for x
    x = 991,493,370.67/33,919.98
  6. Step 6: Final answer
    x = 29,230.36

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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.