Home / 33,170.30-45,775.45-18,829.04

Finding the Fourth Proportional to 33,170.30, 45,775.45 and 18,829.04

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Solution

The fourth proportional to 33,170.30, 45,775.45 and 18,829.04 is: 25,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.30 : 45,775.45 = 18,829.04 : x
  2. Step 2: Convert to fraction form
    33,170.30/45,775.45 = 18,829.04/x
  3. Step 3: Cross multiply
    33,170.30x = 45,775.45 × 18,829.04
  4. Step 4: Simplify right side
    33,170.30x = 861,907,958.13
  5. Step 5: Solve for x
    x = 861,907,958.13/33,170.30
  6. Step 6: Final answer
    x = 25,984.33

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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.