Home / 33,085.84-45,670.44-21,911.44

Finding the Fourth Proportional to 33,085.84, 45,670.44 and 21,911.44

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Solution

The fourth proportional to 33,085.84, 45,670.44 and 21,911.44 is: 30,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085.84 : 45,670.44 = 21,911.44 : x
  2. Step 2: Convert to fraction form
    33,085.84/45,670.44 = 21,911.44/x
  3. Step 3: Cross multiply
    33,085.84x = 45,670.44 × 21,911.44
  4. Step 4: Simplify right side
    33,085.84x = 1,000,705,105.83
  5. Step 5: Solve for x
    x = 1,000,705,105.83/33,085.84
  6. Step 6: Final answer
    x = 30,245.72

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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.