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Finding the Fourth Proportional to 33,995.88, 46,912.86 and 18,889.56

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Solution

The fourth proportional to 33,995.88, 46,912.86 and 18,889.56 is: 26,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.88 : 46,912.86 = 18,889.56 : x
  2. Step 2: Convert to fraction form
    33,995.88/46,912.86 = 18,889.56/x
  3. Step 3: Cross multiply
    33,995.88x = 46,912.86 × 18,889.56
  4. Step 4: Simplify right side
    33,995.88x = 886,163,283.74
  5. Step 5: Solve for x
    x = 886,163,283.74/33,995.88
  6. Step 6: Final answer
    x = 26,066.78

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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.