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Finding the Fourth Proportional to 34,234.53, 47,241.39 and 19,126.44

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Solution

The fourth proportional to 34,234.53, 47,241.39 and 19,126.44 is: 26,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234.53 : 47,241.39 = 19,126.44 : x
  2. Step 2: Convert to fraction form
    34,234.53/47,241.39 = 19,126.44/x
  3. Step 3: Cross multiply
    34,234.53x = 47,241.39 × 19,126.44
  4. Step 4: Simplify right side
    34,234.53x = 903,559,611.35
  5. Step 5: Solve for x
    x = 903,559,611.35/34,234.53
  6. Step 6: Final answer
    x = 26,393.22

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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.