Finding the Fourth Proportional to 72,377.46, 108,566.24 and 19,782.99
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Solution
The fourth proportional to 72,377.46, 108,566.24 and 19,782.99 is: 29,674.50
Step by Step Solution
- Step 1: Write the proportion equation
72,377.46 : 108,566.24 = 19,782.99 : x - Step 2: Convert to fraction form
72,377.46/108,566.24 = 19,782.99/x - Step 3: Cross multiply
72,377.46x = 108,566.24 × 19,782.99 - Step 4: Simplify right side
72,377.46x = 2,147,764,840.26 - Step 5: Solve for x
x = 2,147,764,840.26/72,377.46 - Step 6: Final answer
x = 29,674.50
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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.