Finding the Fourth Proportional to 67,989.24, 101,948.84 and 30,517.19
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Solution
The fourth proportional to 67,989.24, 101,948.84 and 30,517.19 is: 45,760.07
Step by Step Solution
- Step 1: Write the proportion equation
67,989.24 : 101,948.84 = 30,517.19 : x - Step 2: Convert to fraction form
67,989.24/101,948.84 = 30,517.19/x - Step 3: Cross multiply
67,989.24x = 101,948.84 × 30,517.19 - Step 4: Simplify right side
67,989.24x = 3,111,192,120.56 - Step 5: Solve for x
x = 3,111,192,120.56/67,989.24 - Step 6: Final answer
x = 45,760.07
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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.