Home / 31,268.38-46,891.50-11,541.64

Finding the Fourth Proportional to 31,268.38, 46,891.50 and 11,541.64

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Solution

The fourth proportional to 31,268.38, 46,891.50 and 11,541.64 is: 17,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.38 : 46,891.50 = 11,541.64 : x
  2. Step 2: Convert to fraction form
    31,268.38/46,891.50 = 11,541.64/x
  3. Step 3: Cross multiply
    31,268.38x = 46,891.50 × 11,541.64
  4. Step 4: Simplify right side
    31,268.38x = 541,204,812.06
  5. Step 5: Solve for x
    x = 541,204,812.06/31,268.38
  6. Step 6: Final answer
    x = 17,308.37

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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.