Home / 31,107.22-46,546-18,636.06

Finding the Fourth Proportional to 31,107.22, 46,546 and 18,636.06

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Solution

The fourth proportional to 31,107.22, 46,546 and 18,636.06 is: 27,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.22 : 46,546 = 18,636.06 : x
  2. Step 2: Convert to fraction form
    31,107.22/46,546 = 18,636.06/x
  3. Step 3: Cross multiply
    31,107.22x = 46,546 × 18,636.06
  4. Step 4: Simplify right side
    31,107.22x = 867,434,048.76
  5. Step 5: Solve for x
    x = 867,434,048.76/31,107.22
  6. Step 6: Final answer
    x = 27,885.30

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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.