Home / 31,263.49-46,866.50-11,268.09

Finding the Fourth Proportional to 31,263.49, 46,866.50 and 11,268.09

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Solution

The fourth proportional to 31,263.49, 46,866.50 and 11,268.09 is: 16,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.49 : 46,866.50 = 11,268.09 : x
  2. Step 2: Convert to fraction form
    31,263.49/46,866.50 = 11,268.09/x
  3. Step 3: Cross multiply
    31,263.49x = 46,866.50 × 11,268.09
  4. Step 4: Simplify right side
    31,263.49x = 528,095,999.30
  5. Step 5: Solve for x
    x = 528,095,999.30/31,263.49
  6. Step 6: Final answer
    x = 16,891.78

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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.