Finding the Fourth Proportional to 81,582.64, 122,372.52 and 22,418.08
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Solution
The fourth proportional to 81,582.64, 122,372.52 and 22,418.08 is: 33,626.72
Step by Step Solution
- Step 1: Write the proportion equation
81,582.64 : 122,372.52 = 22,418.08 : x - Step 2: Convert to fraction form
81,582.64/122,372.52 = 22,418.08/x - Step 3: Cross multiply
81,582.64x = 122,372.52 × 22,418.08 - Step 4: Simplify right side
81,582.64x = 2,743,356,943.16 - Step 5: Solve for x
x = 2,743,356,943.16/81,582.64 - Step 6: Final answer
x = 33,626.72
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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.