Home / 31,164.75-43,007.66-17,017.90

Finding the Fourth Proportional to 31,164.75, 43,007.66 and 17,017.90

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Solution

The fourth proportional to 31,164.75, 43,007.66 and 17,017.90 is: 23,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,164.75 : 43,007.66 = 17,017.90 : x
  2. Step 2: Convert to fraction form
    31,164.75/43,007.66 = 17,017.90/x
  3. Step 3: Cross multiply
    31,164.75x = 43,007.66 × 17,017.90
  4. Step 4: Simplify right side
    31,164.75x = 731,899,928.32
  5. Step 5: Solve for x
    x = 731,899,928.32/31,164.75
  6. Step 6: Final answer
    x = 23,484.86

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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.