Home / 33,645.94-46,450.02-20,220.46

Finding the Fourth Proportional to 33,645.94, 46,450.02 and 20,220.46

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Solution

The fourth proportional to 33,645.94, 46,450.02 and 20,220.46 is: 27,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,645.94 : 46,450.02 = 20,220.46 : x
  2. Step 2: Convert to fraction form
    33,645.94/46,450.02 = 20,220.46/x
  3. Step 3: Cross multiply
    33,645.94x = 46,450.02 × 20,220.46
  4. Step 4: Simplify right side
    33,645.94x = 939,240,771.41
  5. Step 5: Solve for x
    x = 939,240,771.41/33,645.94
  6. Step 6: Final answer
    x = 27,915.43

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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.