Finding the Fourth Proportional to 71,828.48, 107,749.68 and 24,476.96
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Solution
The fourth proportional to 71,828.48, 107,749.68 and 24,476.96 is: 36,717.81
Step by Step Solution
- Step 1: Write the proportion equation
71,828.48 : 107,749.68 = 24,476.96 : x - Step 2: Convert to fraction form
71,828.48/107,749.68 = 24,476.96/x - Step 3: Cross multiply
71,828.48x = 107,749.68 × 24,476.96 - Step 4: Simplify right side
71,828.48x = 2,637,384,607.37 - Step 5: Solve for x
x = 2,637,384,607.37/71,828.48 - Step 6: Final answer
x = 36,717.81
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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.