Finding the Fourth Proportional to 71,060.96, 106,583.18 and 18,474.55
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Solution
The fourth proportional to 71,060.96, 106,583.18 and 18,474.55 is: 27,709.67
Step by Step Solution
- Step 1: Write the proportion equation
71,060.96 : 106,583.18 = 18,474.55 : x - Step 2: Convert to fraction form
71,060.96/106,583.18 = 18,474.55/x - Step 3: Cross multiply
71,060.96x = 106,583.18 × 18,474.55 - Step 4: Simplify right side
71,060.96x = 1,969,075,929.24 - Step 5: Solve for x
x = 1,969,075,929.24/71,060.96 - Step 6: Final answer
x = 27,709.67
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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.