Finding the Fourth Proportional to 36,863.40, 50,871 and 21,756
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Solution
The fourth proportional to 36,863.40, 50,871 and 21,756 is: 30,022.99
Step by Step Solution
- Step 1: Write the proportion equation
36,863.40 : 50,871 = 21,756 : x - Step 2: Convert to fraction form
36,863.40/50,871 = 21,756/x - Step 3: Cross multiply
36,863.40x = 50,871 × 21,756 - Step 4: Simplify right side
36,863.40x = 1,106,749,476 - Step 5: Solve for x
x = 1,106,749,476/36,863.40 - Step 6: Final answer
x = 30,022.99
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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.