Home / 31,104.64-46,647.39-8,912.07

Finding the Fourth Proportional to 31,104.64, 46,647.39 and 8,912.07

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Solution

The fourth proportional to 31,104.64, 46,647.39 and 8,912.07 is: 13,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.64 : 46,647.39 = 8,912.07 : x
  2. Step 2: Convert to fraction form
    31,104.64/46,647.39 = 8,912.07/x
  3. Step 3: Cross multiply
    31,104.64x = 46,647.39 × 8,912.07
  4. Step 4: Simplify right side
    31,104.64x = 415,724,805.00
  5. Step 5: Solve for x
    x = 415,724,805.00/31,104.64
  6. Step 6: Final answer
    x = 13,365.36

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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.