Finding the Fourth Proportional to 71,177.44, 106,764.08 and 18,586.92
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Solution
The fourth proportional to 71,177.44, 106,764.08 and 18,586.92 is: 27,879.84
Step by Step Solution
- Step 1: Write the proportion equation
71,177.44 : 106,764.08 = 18,586.92 : x - Step 2: Convert to fraction form
71,177.44/106,764.08 = 18,586.92/x - Step 3: Cross multiply
71,177.44x = 106,764.08 × 18,586.92 - Step 4: Simplify right side
71,177.44x = 1,984,415,413.83 - Step 5: Solve for x
x = 1,984,415,413.83/71,177.44 - Step 6: Final answer
x = 27,879.84
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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.