Home / 33,922.85-46,782.90-21,177.21

Finding the Fourth Proportional to 33,922.85, 46,782.90 and 21,177.21

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Solution

The fourth proportional to 33,922.85, 46,782.90 and 21,177.21 is: 29,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,922.85 : 46,782.90 = 21,177.21 : x
  2. Step 2: Convert to fraction form
    33,922.85/46,782.90 = 21,177.21/x
  3. Step 3: Cross multiply
    33,922.85x = 46,782.90 × 21,177.21
  4. Step 4: Simplify right side
    33,922.85x = 990,731,297.71
  5. Step 5: Solve for x
    x = 990,731,297.71/33,922.85
  6. Step 6: Final answer
    x = 29,205.43

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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.