Home / 33,171.24-49,760.10-10,979.40

Finding the Fourth Proportional to 33,171.24, 49,760.10 and 10,979.40

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Solution

The fourth proportional to 33,171.24, 49,760.10 and 10,979.40 is: 16,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.24 : 49,760.10 = 10,979.40 : x
  2. Step 2: Convert to fraction form
    33,171.24/49,760.10 = 10,979.40/x
  3. Step 3: Cross multiply
    33,171.24x = 49,760.10 × 10,979.40
  4. Step 4: Simplify right side
    33,171.24x = 546,336,041.94
  5. Step 5: Solve for x
    x = 546,336,041.94/33,171.24
  6. Step 6: Final answer
    x = 16,470.17

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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.