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Finding the Fourth Proportional to 33,703.98, 50,570.68 and 12,942.06

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Solution

The fourth proportional to 33,703.98, 50,570.68 and 12,942.06 is: 19,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,703.98 : 50,570.68 = 12,942.06 : x
  2. Step 2: Convert to fraction form
    33,703.98/50,570.68 = 12,942.06/x
  3. Step 3: Cross multiply
    33,703.98x = 50,570.68 × 12,942.06
  4. Step 4: Simplify right side
    33,703.98x = 654,488,774.80
  5. Step 5: Solve for x
    x = 654,488,774.80/33,703.98
  6. Step 6: Final answer
    x = 19,418.74

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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.