Home / 33,921.18-46,806.39-19,780.38

Finding the Fourth Proportional to 33,921.18, 46,806.39 and 19,780.38

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Solution

The fourth proportional to 33,921.18, 46,806.39 and 19,780.38 is: 27,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,921.18 : 46,806.39 = 19,780.38 : x
  2. Step 2: Convert to fraction form
    33,921.18/46,806.39 = 19,780.38/x
  3. Step 3: Cross multiply
    33,921.18x = 46,806.39 × 19,780.38
  4. Step 4: Simplify right side
    33,921.18x = 925,848,180.63
  5. Step 5: Solve for x
    x = 925,848,180.63/33,921.18
  6. Step 6: Final answer
    x = 27,294.10

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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.