Home / 33,640.64-46,446.44-20,912.84

Finding the Fourth Proportional to 33,640.64, 46,446.44 and 20,912.84

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Solution

The fourth proportional to 33,640.64, 46,446.44 and 20,912.84 is: 28,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.64 : 46,446.44 = 20,912.84 : x
  2. Step 2: Convert to fraction form
    33,640.64/46,446.44 = 20,912.84/x
  3. Step 3: Cross multiply
    33,640.64x = 46,446.44 × 20,912.84
  4. Step 4: Simplify right side
    33,640.64x = 971,326,968.29
  5. Step 5: Solve for x
    x = 971,326,968.29/33,640.64
  6. Step 6: Final answer
    x = 28,873.62

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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.