Finding the Fourth Proportional to 71,596.23, 107,385.99 and 19,009.80
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Solution
The fourth proportional to 71,596.23, 107,385.99 and 19,009.80 is: 28,512.48
Step by Step Solution
- Step 1: Write the proportion equation
71,596.23 : 107,385.99 = 19,009.80 : x - Step 2: Convert to fraction form
71,596.23/107,385.99 = 19,009.80/x - Step 3: Cross multiply
71,596.23x = 107,385.99 × 19,009.80 - Step 4: Simplify right side
71,596.23x = 2,041,386,192.70 - Step 5: Solve for x
x = 2,041,386,192.70/71,596.23 - Step 6: Final answer
x = 28,512.48
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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.