Finding the Fourth Proportional to 81,582.24, 122,374.70 and 22,417.54
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Solution
The fourth proportional to 81,582.24, 122,374.70 and 22,417.54 is: 33,626.68
Step by Step Solution
- Step 1: Write the proportion equation
81,582.24 : 122,374.70 = 22,417.54 : x - Step 2: Convert to fraction form
81,582.24/122,374.70 = 22,417.54/x - Step 3: Cross multiply
81,582.24x = 122,374.70 × 22,417.54 - Step 4: Simplify right side
81,582.24x = 2,743,339,732.24 - Step 5: Solve for x
x = 2,743,339,732.24/81,582.24 - Step 6: Final answer
x = 33,626.68
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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.