Home / 33,881.92-46,741.36-21,949.12

Finding the Fourth Proportional to 33,881.92, 46,741.36 and 21,949.12

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Solution

The fourth proportional to 33,881.92, 46,741.36 and 21,949.12 is: 30,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,881.92 : 46,741.36 = 21,949.12 : x
  2. Step 2: Convert to fraction form
    33,881.92/46,741.36 = 21,949.12/x
  3. Step 3: Cross multiply
    33,881.92x = 46,741.36 × 21,949.12
  4. Step 4: Simplify right side
    33,881.92x = 1,025,931,719.60
  5. Step 5: Solve for x
    x = 1,025,931,719.60/33,881.92
  6. Step 6: Final answer
    x = 30,279.62

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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.