Home / 33,130.53-49,685.27-10,939.77

Finding the Fourth Proportional to 33,130.53, 49,685.27 and 10,939.77

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Solution

The fourth proportional to 33,130.53, 49,685.27 and 10,939.77 is: 16,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.53 : 49,685.27 = 10,939.77 : x
  2. Step 2: Convert to fraction form
    33,130.53/49,685.27 = 10,939.77/x
  3. Step 3: Cross multiply
    33,130.53x = 49,685.27 × 10,939.77
  4. Step 4: Simplify right side
    33,130.53x = 543,545,371.49
  5. Step 5: Solve for x
    x = 543,545,371.49/33,130.53
  6. Step 6: Final answer
    x = 16,406.18

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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.