Home / 33,960.79-46,866.06-21,221.37

Finding the Fourth Proportional to 33,960.79, 46,866.06 and 21,221.37

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Solution

The fourth proportional to 33,960.79, 46,866.06 and 21,221.37 is: 29,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,960.79 : 46,866.06 = 21,221.37 : x
  2. Step 2: Convert to fraction form
    33,960.79/46,866.06 = 21,221.37/x
  3. Step 3: Cross multiply
    33,960.79x = 46,866.06 × 21,221.37
  4. Step 4: Simplify right side
    33,960.79x = 994,561,893.60
  5. Step 5: Solve for x
    x = 994,561,893.60/33,960.79
  6. Step 6: Final answer
    x = 29,285.59

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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.