Home / 30,731.15-46,091.33-8,546.25

Finding the Fourth Proportional to 30,731.15, 46,091.33 and 8,546.25

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Solution

The fourth proportional to 30,731.15, 46,091.33 and 8,546.25 is: 12,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.15 : 46,091.33 = 8,546.25 : x
  2. Step 2: Convert to fraction form
    30,731.15/46,091.33 = 8,546.25/x
  3. Step 3: Cross multiply
    30,731.15x = 46,091.33 × 8,546.25
  4. Step 4: Simplify right side
    30,731.15x = 393,907,986.28
  5. Step 5: Solve for x
    x = 393,907,986.28/30,731.15
  6. Step 6: Final answer
    x = 12,817.88

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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.