Finding the Fourth Proportional to 71,486.19, 107,230.08 and 21,566.73
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Solution
The fourth proportional to 71,486.19, 107,230.08 and 21,566.73 is: 32,350.33
Step by Step Solution
- Step 1: Write the proportion equation
71,486.19 : 107,230.08 = 21,566.73 : x - Step 2: Convert to fraction form
71,486.19/107,230.08 = 21,566.73/x - Step 3: Cross multiply
71,486.19x = 107,230.08 × 21,566.73 - Step 4: Simplify right side
71,486.19x = 2,312,602,183.24 - Step 5: Solve for x
x = 2,312,602,183.24/71,486.19 - Step 6: Final answer
x = 32,350.33
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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.