Home / 31,112.98-46,671.86-11,391.10

Finding the Fourth Proportional to 31,112.98, 46,671.86 and 11,391.10

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Solution

The fourth proportional to 31,112.98, 46,671.86 and 11,391.10 is: 17,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.98 : 46,671.86 = 11,391.10 : x
  2. Step 2: Convert to fraction form
    31,112.98/46,671.86 = 11,391.10/x
  3. Step 3: Cross multiply
    31,112.98x = 46,671.86 × 11,391.10
  4. Step 4: Simplify right side
    31,112.98x = 531,643,736.24
  5. Step 5: Solve for x
    x = 531,643,736.24/31,112.98
  6. Step 6: Final answer
    x = 17,087.52

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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.