Home / 31,170.16-46,755.24-7,796.60

Finding the Fourth Proportional to 31,170.16, 46,755.24 and 7,796.60

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Solution

The fourth proportional to 31,170.16, 46,755.24 and 7,796.60 is: 11,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.16 : 46,755.24 = 7,796.60 : x
  2. Step 2: Convert to fraction form
    31,170.16/46,755.24 = 7,796.60/x
  3. Step 3: Cross multiply
    31,170.16x = 46,755.24 × 7,796.60
  4. Step 4: Simplify right side
    31,170.16x = 364,531,904.18
  5. Step 5: Solve for x
    x = 364,531,904.18/31,170.16
  6. Step 6: Final answer
    x = 11,694.90

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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.