Finding the Fourth Proportional to 67,231.14, 100,836.93 and 19,843.92
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Solution
The fourth proportional to 67,231.14, 100,836.93 and 19,843.92 is: 29,762.99
Step by Step Solution
- Step 1: Write the proportion equation
67,231.14 : 100,836.93 = 19,843.92 : x - Step 2: Convert to fraction form
67,231.14/100,836.93 = 19,843.92/x - Step 3: Cross multiply
67,231.14x = 100,836.93 × 19,843.92 - Step 4: Simplify right side
67,231.14x = 2,000,999,971.97 - Step 5: Solve for x
x = 2,000,999,971.97/67,231.14 - Step 6: Final answer
x = 29,762.99
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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.