Home / 31,318.97-43,277.43-22,806.30

Finding the Fourth Proportional to 31,318.97, 43,277.43 and 22,806.30

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Solution

The fourth proportional to 31,318.97, 43,277.43 and 22,806.30 is: 31,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.97 : 43,277.43 = 22,806.30 : x
  2. Step 2: Convert to fraction form
    31,318.97/43,277.43 = 22,806.30/x
  3. Step 3: Cross multiply
    31,318.97x = 43,277.43 × 22,806.30
  4. Step 4: Simplify right side
    31,318.97x = 986,998,051.81
  5. Step 5: Solve for x
    x = 986,998,051.81/31,318.97
  6. Step 6: Final answer
    x = 31,514.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.