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Finding the Fourth Proportional to 33,841.77, 50,748.68 and 12,778.22

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Solution

The fourth proportional to 33,841.77, 50,748.68 and 12,778.22 is: 19,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,841.77 : 50,748.68 = 12,778.22 : x
  2. Step 2: Convert to fraction form
    33,841.77/50,748.68 = 12,778.22/x
  3. Step 3: Cross multiply
    33,841.77x = 50,748.68 × 12,778.22
  4. Step 4: Simplify right side
    33,841.77x = 648,477,480.12
  5. Step 5: Solve for x
    x = 648,477,480.12/33,841.77
  6. Step 6: Final answer
    x = 19,162.04

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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.