Finding the Fourth Proportional to 71,509.66, 107,263.66 and 17,474.79
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Solution
The fourth proportional to 71,509.66, 107,263.66 and 17,474.79 is: 26,211.98
Step by Step Solution
- Step 1: Write the proportion equation
71,509.66 : 107,263.66 = 17,474.79 : x - Step 2: Convert to fraction form
71,509.66/107,263.66 = 17,474.79/x - Step 3: Cross multiply
71,509.66x = 107,263.66 × 17,474.79 - Step 4: Simplify right side
71,509.66x = 1,874,409,933.13 - Step 5: Solve for x
x = 1,874,409,933.13/71,509.66 - Step 6: Final answer
x = 26,211.98
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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.