Home / 33,573.19-46,315.47-20,121.09

Finding the Fourth Proportional to 33,573.19, 46,315.47 and 20,121.09

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Solution

The fourth proportional to 33,573.19, 46,315.47 and 20,121.09 is: 27,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,573.19 : 46,315.47 = 20,121.09 : x
  2. Step 2: Convert to fraction form
    33,573.19/46,315.47 = 20,121.09/x
  3. Step 3: Cross multiply
    33,573.19x = 46,315.47 × 20,121.09
  4. Step 4: Simplify right side
    33,573.19x = 931,917,740.26
  5. Step 5: Solve for x
    x = 931,917,740.26/33,573.19
  6. Step 6: Final answer
    x = 27,757.80

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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.