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Finding the Fourth Proportional to 33,998.40, 51,046.20 and 26,611.20

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Solution

The fourth proportional to 33,998.40, 51,046.20 and 26,611.20 is: 39,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,998.40 : 51,046.20 = 26,611.20 : x
  2. Step 2: Convert to fraction form
    33,998.40/51,046.20 = 26,611.20/x
  3. Step 3: Cross multiply
    33,998.40x = 51,046.20 × 26,611.20
  4. Step 4: Simplify right side
    33,998.40x = 1,358,400,637.44
  5. Step 5: Solve for x
    x = 1,358,400,637.44/33,998.40
  6. Step 6: Final answer
    x = 39,954.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.