Home / 31,257.36-46,897.79-18,614.41

Finding the Fourth Proportional to 31,257.36, 46,897.79 and 18,614.41

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Solution

The fourth proportional to 31,257.36, 46,897.79 and 18,614.41 is: 27,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.36 : 46,897.79 = 18,614.41 : x
  2. Step 2: Convert to fraction form
    31,257.36/46,897.79 = 18,614.41/x
  3. Step 3: Cross multiply
    31,257.36x = 46,897.79 × 18,614.41
  4. Step 4: Simplify right side
    31,257.36x = 872,974,480.84
  5. Step 5: Solve for x
    x = 872,974,480.84/31,257.36
  6. Step 6: Final answer
    x = 27,928.61

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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.