Home / 30,896.80-46,383.06-20,375.61

Finding the Fourth Proportional to 30,896.80, 46,383.06 and 20,375.61

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Solution

The fourth proportional to 30,896.80, 46,383.06 and 20,375.61 is: 30,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.80 : 46,383.06 = 20,375.61 : x
  2. Step 2: Convert to fraction form
    30,896.80/46,383.06 = 20,375.61/x
  3. Step 3: Cross multiply
    30,896.80x = 46,383.06 × 20,375.61
  4. Step 4: Simplify right side
    30,896.80x = 945,083,043.64
  5. Step 5: Solve for x
    x = 945,083,043.64/30,896.80
  6. Step 6: Final answer
    x = 30,588.38

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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.