Home / 33,419.75-46,119.26-19,991.57

Finding the Fourth Proportional to 33,419.75, 46,119.26 and 19,991.57

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Solution

The fourth proportional to 33,419.75, 46,119.26 and 19,991.57 is: 27,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.75 : 46,119.26 = 19,991.57 : x
  2. Step 2: Convert to fraction form
    33,419.75/46,119.26 = 19,991.57/x
  3. Step 3: Cross multiply
    33,419.75x = 46,119.26 × 19,991.57
  4. Step 4: Simplify right side
    33,419.75x = 921,996,314.68
  5. Step 5: Solve for x
    x = 921,996,314.68/33,419.75
  6. Step 6: Final answer
    x = 27,588.37

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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.