Finding the Fourth Proportional to 69,658.44, 104,490.30 and 22,915.08
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Solution
The fourth proportional to 69,658.44, 104,490.30 and 22,915.08 is: 34,373.49
Step by Step Solution
- Step 1: Write the proportion equation
69,658.44 : 104,490.30 = 22,915.08 : x - Step 2: Convert to fraction form
69,658.44/104,490.30 = 22,915.08/x - Step 3: Cross multiply
69,658.44x = 104,490.30 × 22,915.08 - Step 4: Simplify right side
69,658.44x = 2,394,403,583.72 - Step 5: Solve for x
x = 2,394,403,583.72/69,658.44 - Step 6: Final answer
x = 34,373.49
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1.5x scale
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.