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Finding the Fourth Proportional to 33,894.26, 50,802.06 and 12,820.90

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Solution

The fourth proportional to 33,894.26, 50,802.06 and 12,820.90 is: 19,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.26 : 50,802.06 = 12,820.90 : x
  2. Step 2: Convert to fraction form
    33,894.26/50,802.06 = 12,820.90/x
  3. Step 3: Cross multiply
    33,894.26x = 50,802.06 × 12,820.90
  4. Step 4: Simplify right side
    33,894.26x = 651,328,131.05
  5. Step 5: Solve for x
    x = 651,328,131.05/33,894.26
  6. Step 6: Final answer
    x = 19,216.47

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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.