Home / 33,808.87-46,640.52-21,876.05

Finding the Fourth Proportional to 33,808.87, 46,640.52 and 21,876.05

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Solution

The fourth proportional to 33,808.87, 46,640.52 and 21,876.05 is: 30,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,808.87 : 46,640.52 = 21,876.05 : x
  2. Step 2: Convert to fraction form
    33,808.87/46,640.52 = 21,876.05/x
  3. Step 3: Cross multiply
    33,808.87x = 46,640.52 × 21,876.05
  4. Step 4: Simplify right side
    33,808.87x = 1,020,310,347.55
  5. Step 5: Solve for x
    x = 1,020,310,347.55/33,808.87
  6. Step 6: Final answer
    x = 30,178.78

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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.