Home / 33,353.30-46,033.71-21,431.54

Finding the Fourth Proportional to 33,353.30, 46,033.71 and 21,431.54

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Solution

The fourth proportional to 33,353.30, 46,033.71 and 21,431.54 is: 29,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,353.30 : 46,033.71 = 21,431.54 : x
  2. Step 2: Convert to fraction form
    33,353.30/46,033.71 = 21,431.54/x
  3. Step 3: Cross multiply
    33,353.30x = 46,033.71 × 21,431.54
  4. Step 4: Simplify right side
    33,353.30x = 986,573,297.21
  5. Step 5: Solve for x
    x = 986,573,297.21/33,353.30
  6. Step 6: Final answer
    x = 29,579.48

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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.