Home / 33,343.80-46,020.60-21,422.04

Finding the Fourth Proportional to 33,343.80, 46,020.60 and 21,422.04

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Solution

The fourth proportional to 33,343.80, 46,020.60 and 21,422.04 is: 29,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,343.80 : 46,020.60 = 21,422.04 : x
  2. Step 2: Convert to fraction form
    33,343.80/46,020.60 = 21,422.04/x
  3. Step 3: Cross multiply
    33,343.80x = 46,020.60 × 21,422.04
  4. Step 4: Simplify right side
    33,343.80x = 985,855,134.02
  5. Step 5: Solve for x
    x = 985,855,134.02/33,343.80
  6. Step 6: Final answer
    x = 29,566.37

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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.