Finding the Fourth Proportional to 71,637.01, 107,474.95 and 21,718.73
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Solution
The fourth proportional to 71,637.01, 107,474.95 and 21,718.73 is: 32,583.99
Step by Step Solution
- Step 1: Write the proportion equation
71,637.01 : 107,474.95 = 21,718.73 : x - Step 2: Convert to fraction form
71,637.01/107,474.95 = 21,718.73/x - Step 3: Cross multiply
71,637.01x = 107,474.95 × 21,718.73 - Step 4: Simplify right side
71,637.01x = 2,334,219,716.65 - Step 5: Solve for x
x = 2,334,219,716.65/71,637.01 - Step 6: Final answer
x = 32,583.99
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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.