Finding the Fourth Proportional to 71,958.44, 107,943.98 and 19,366.76
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Solution
The fourth proportional to 71,958.44, 107,943.98 and 19,366.76 is: 29,051.84
Step by Step Solution
- Step 1: Write the proportion equation
71,958.44 : 107,943.98 = 19,366.76 : x - Step 2: Convert to fraction form
71,958.44/107,943.98 = 19,366.76/x - Step 3: Cross multiply
71,958.44x = 107,943.98 × 19,366.76 - Step 4: Simplify right side
71,958.44x = 2,090,525,154.10 - Step 5: Solve for x
x = 2,090,525,154.10/71,958.44 - Step 6: Final answer
x = 29,051.84
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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.