Home / 31,018.88-46,491.26-11,286.69

Finding the Fourth Proportional to 31,018.88, 46,491.26 and 11,286.69

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Solution

The fourth proportional to 31,018.88, 46,491.26 and 11,286.69 is: 16,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.88 : 46,491.26 = 11,286.69 : x
  2. Step 2: Convert to fraction form
    31,018.88/46,491.26 = 11,286.69/x
  3. Step 3: Cross multiply
    31,018.88x = 46,491.26 × 11,286.69
  4. Step 4: Simplify right side
    31,018.88x = 524,732,382.90
  5. Step 5: Solve for x
    x = 524,732,382.90/31,018.88
  6. Step 6: Final answer
    x = 16,916.55

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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.