Home / 33,097.20-49,684.20-19,964.40

Finding the Fourth Proportional to 33,097.20, 49,684.20 and 19,964.40

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Solution

The fourth proportional to 33,097.20, 49,684.20 and 19,964.40 is: 29,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,097.20 : 49,684.20 = 19,964.40 : x
  2. Step 2: Convert to fraction form
    33,097.20/49,684.20 = 19,964.40/x
  3. Step 3: Cross multiply
    33,097.20x = 49,684.20 × 19,964.40
  4. Step 4: Simplify right side
    33,097.20x = 991,915,242.48
  5. Step 5: Solve for x
    x = 991,915,242.48/33,097.20
  6. Step 6: Final answer
    x = 29,969.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.