Finding the Fourth Proportional to 51,218, 70,680.84 and 27,666
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Solution
The fourth proportional to 51,218, 70,680.84 and 27,666 is: 38,179.08
Step by Step Solution
- Step 1: Write the proportion equation
51,218 : 70,680.84 = 27,666 : x - Step 2: Convert to fraction form
51,218/70,680.84 = 27,666/x - Step 3: Cross multiply
51,218x = 70,680.84 × 27,666 - Step 4: Simplify right side
51,218x = 1,955,456,119.44 - Step 5: Solve for x
x = 1,955,456,119.44/51,218 - Step 6: Final answer
x = 38,179.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.