Finding the Fourth Proportional to 71,669.41, 107,504.35 and 21,749.92
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Solution
The fourth proportional to 71,669.41, 107,504.35 and 21,749.92 is: 32,624.95
Step by Step Solution
- Step 1: Write the proportion equation
71,669.41 : 107,504.35 = 21,749.92 : x - Step 2: Convert to fraction form
71,669.41/107,504.35 = 21,749.92/x - Step 3: Cross multiply
71,669.41x = 107,504.35 × 21,749.92 - Step 4: Simplify right side
71,669.41x = 2,338,210,689.02 - Step 5: Solve for x
x = 2,338,210,689.02/71,669.41 - Step 6: Final answer
x = 32,624.95
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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.