Finding the Fourth Proportional to 71,526.63, 107,299.97 and 21,601.07
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Solution
The fourth proportional to 71,526.63, 107,299.97 and 21,601.07 is: 32,404.63
Step by Step Solution
- Step 1: Write the proportion equation
71,526.63 : 107,299.97 = 21,601.07 : x - Step 2: Convert to fraction form
71,526.63/107,299.97 = 21,601.07/x - Step 3: Cross multiply
71,526.63x = 107,299.97 × 21,601.07 - Step 4: Simplify right side
71,526.63x = 2,317,794,162.97 - Step 5: Solve for x
x = 2,317,794,162.97/71,526.63 - Step 6: Final answer
x = 32,404.63
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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.