Home / 30,185.05-41,669.33-18,091.28

Finding the Fourth Proportional to 30,185.05, 41,669.33 and 18,091.28

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Solution

The fourth proportional to 30,185.05, 41,669.33 and 18,091.28 is: 24,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.05 : 41,669.33 = 18,091.28 : x
  2. Step 2: Convert to fraction form
    30,185.05/41,669.33 = 18,091.28/x
  3. Step 3: Cross multiply
    30,185.05x = 41,669.33 × 18,091.28
  4. Step 4: Simplify right side
    30,185.05x = 753,851,516.44
  5. Step 5: Solve for x
    x = 753,851,516.44/30,185.05
  6. Step 6: Final answer
    x = 24,974.33

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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.