Home / 31,564.62-43,535.07-19,628.46

Finding the Fourth Proportional to 31,564.62, 43,535.07 and 19,628.46

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Solution

The fourth proportional to 31,564.62, 43,535.07 and 19,628.46 is: 27,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.62 : 43,535.07 = 19,628.46 : x
  2. Step 2: Convert to fraction form
    31,564.62/43,535.07 = 19,628.46/x
  3. Step 3: Cross multiply
    31,564.62x = 43,535.07 × 19,628.46
  4. Step 4: Simplify right side
    31,564.62x = 854,526,380.09
  5. Step 5: Solve for x
    x = 854,526,380.09/31,564.62
  6. Step 6: Final answer
    x = 27,072.28

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1.5x scale

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.