Home / 33,085.92-45,670.32-21,911.52

Finding the Fourth Proportional to 33,085.92, 45,670.32 and 21,911.52

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Solution

The fourth proportional to 33,085.92, 45,670.32 and 21,911.52 is: 30,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085.92 : 45,670.32 = 21,911.52 : x
  2. Step 2: Convert to fraction form
    33,085.92/45,670.32 = 21,911.52/x
  3. Step 3: Cross multiply
    33,085.92x = 45,670.32 × 21,911.52
  4. Step 4: Simplify right side
    33,085.92x = 1,000,706,130.09
  5. Step 5: Solve for x
    x = 1,000,706,130.09/33,085.92
  6. Step 6: Final answer
    x = 30,245.68

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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.