Home / 33,285.44-45,930.12-19,142.84

Finding the Fourth Proportional to 33,285.44, 45,930.12 and 19,142.84

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Solution

The fourth proportional to 33,285.44, 45,930.12 and 19,142.84 is: 26,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.44 : 45,930.12 = 19,142.84 : x
  2. Step 2: Convert to fraction form
    33,285.44/45,930.12 = 19,142.84/x
  3. Step 3: Cross multiply
    33,285.44x = 45,930.12 × 19,142.84
  4. Step 4: Simplify right side
    33,285.44x = 879,232,938.34
  5. Step 5: Solve for x
    x = 879,232,938.34/33,285.44
  6. Step 6: Final answer
    x = 26,414.94

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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.