Home / 33,121.79-49,687.61-10,937.51

Finding the Fourth Proportional to 33,121.79, 49,687.61 and 10,937.51

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Solution

The fourth proportional to 33,121.79, 49,687.61 and 10,937.51 is: 16,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.79 : 49,687.61 = 10,937.51 : x
  2. Step 2: Convert to fraction form
    33,121.79/49,687.61 = 10,937.51/x
  3. Step 3: Cross multiply
    33,121.79x = 49,687.61 × 10,937.51
  4. Step 4: Simplify right side
    33,121.79x = 543,458,428.13
  5. Step 5: Solve for x
    x = 543,458,428.13/33,121.79
  6. Step 6: Final answer
    x = 16,407.88

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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.