Home / 31,271.94-46,893.33-18,128.07

Finding the Fourth Proportional to 31,271.94, 46,893.33 and 18,128.07

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Solution

The fourth proportional to 31,271.94, 46,893.33 and 18,128.07 is: 27,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.94 : 46,893.33 = 18,128.07 : x
  2. Step 2: Convert to fraction form
    31,271.94/46,893.33 = 18,128.07/x
  3. Step 3: Cross multiply
    31,271.94x = 46,893.33 × 18,128.07
  4. Step 4: Simplify right side
    31,271.94x = 850,085,568.77
  5. Step 5: Solve for x
    x = 850,085,568.77/31,271.94
  6. Step 6: Final answer
    x = 27,183.65

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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.