Finding the Fourth Proportional to 71,602.33, 107,395.26 and 19,016.05
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Solution
The fourth proportional to 71,602.33, 107,395.26 and 19,016.05 is: 28,521.89
Step by Step Solution
- Step 1: Write the proportion equation
71,602.33 : 107,395.26 = 19,016.05 : x - Step 2: Convert to fraction form
71,602.33/107,395.26 = 19,016.05/x - Step 3: Cross multiply
71,602.33x = 107,395.26 × 19,016.05 - Step 4: Simplify right side
71,602.33x = 2,042,233,633.92 - Step 5: Solve for x
x = 2,042,233,633.92/71,602.33 - Step 6: Final answer
x = 28,521.89
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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.