Finding the Fourth Proportional to 50,549.90, 69,758.42 and 27,889.09
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Solution
The fourth proportional to 50,549.90, 69,758.42 and 27,889.09 is: 38,486.70
Step by Step Solution
- Step 1: Write the proportion equation
50,549.90 : 69,758.42 = 27,889.09 : x - Step 2: Convert to fraction form
50,549.90/69,758.42 = 27,889.09/x - Step 3: Cross multiply
50,549.90x = 69,758.42 × 27,889.09 - Step 4: Simplify right side
50,549.90x = 1,945,498,539.80 - Step 5: Solve for x
x = 1,945,498,539.80/50,549.90 - Step 6: Final answer
x = 38,486.70
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1.5x scale
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.