Home / 33,130.81-49,689.33-10,939.04

Finding the Fourth Proportional to 33,130.81, 49,689.33 and 10,939.04

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Solution

The fourth proportional to 33,130.81, 49,689.33 and 10,939.04 is: 16,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.81 : 49,689.33 = 10,939.04 : x
  2. Step 2: Convert to fraction form
    33,130.81/49,689.33 = 10,939.04/x
  3. Step 3: Cross multiply
    33,130.81x = 49,689.33 × 10,939.04
  4. Step 4: Simplify right side
    33,130.81x = 543,553,568.44
  5. Step 5: Solve for x
    x = 543,553,568.44/33,130.81
  6. Step 6: Final answer
    x = 16,406.29

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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.