Home / 33,961.22-46,835.80-21,215.57

Finding the Fourth Proportional to 33,961.22, 46,835.80 and 21,215.57

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Solution

The fourth proportional to 33,961.22, 46,835.80 and 21,215.57 is: 29,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,961.22 : 46,835.80 = 21,215.57 : x
  2. Step 2: Convert to fraction form
    33,961.22/46,835.80 = 21,215.57/x
  3. Step 3: Cross multiply
    33,961.22x = 46,835.80 × 21,215.57
  4. Step 4: Simplify right side
    33,961.22x = 993,647,959.23
  5. Step 5: Solve for x
    x = 993,647,959.23/33,961.22
  6. Step 6: Final answer
    x = 29,258.31

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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.