Home / 31,282.14-43,169.33-17,135.01

Finding the Fourth Proportional to 31,282.14, 43,169.33 and 17,135.01

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Solution

The fourth proportional to 31,282.14, 43,169.33 and 17,135.01 is: 23,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.14 : 43,169.33 = 17,135.01 : x
  2. Step 2: Convert to fraction form
    31,282.14/43,169.33 = 17,135.01/x
  3. Step 3: Cross multiply
    31,282.14x = 43,169.33 × 17,135.01
  4. Step 4: Simplify right side
    31,282.14x = 739,706,815.57
  5. Step 5: Solve for x
    x = 739,706,815.57/31,282.14
  6. Step 6: Final answer
    x = 23,646.30

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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.