Home / 33,428.49-46,131.03-18,321.99

Finding the Fourth Proportional to 33,428.49, 46,131.03 and 18,321.99

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Solution

The fourth proportional to 33,428.49, 46,131.03 and 18,321.99 is: 25,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.49 : 46,131.03 = 18,321.99 : x
  2. Step 2: Convert to fraction form
    33,428.49/46,131.03 = 18,321.99/x
  3. Step 3: Cross multiply
    33,428.49x = 46,131.03 × 18,321.99
  4. Step 4: Simplify right side
    33,428.49x = 845,212,270.35
  5. Step 5: Solve for x
    x = 845,212,270.35/33,428.49
  6. Step 6: Final answer
    x = 25,284.19

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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.