Home / 33,553.40-46,296.78-20,121.08

Finding the Fourth Proportional to 33,553.40, 46,296.78 and 20,121.08

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Solution

The fourth proportional to 33,553.40, 46,296.78 and 20,121.08 is: 27,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,553.40 : 46,296.78 = 20,121.08 : x
  2. Step 2: Convert to fraction form
    33,553.40/46,296.78 = 20,121.08/x
  3. Step 3: Cross multiply
    33,553.40x = 46,296.78 × 20,121.08
  4. Step 4: Simplify right side
    33,553.40x = 931,541,214.12
  5. Step 5: Solve for x
    x = 931,541,214.12/33,553.40
  6. Step 6: Final answer
    x = 27,762.95

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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.