Finding the Fourth Proportional to 71,610.26, 107,406.96 and 19,023.80
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Solution
The fourth proportional to 71,610.26, 107,406.96 and 19,023.80 is: 28,533.46
Step by Step Solution
- Step 1: Write the proportion equation
71,610.26 : 107,406.96 = 19,023.80 : x - Step 2: Convert to fraction form
71,610.26/107,406.96 = 19,023.80/x - Step 3: Cross multiply
71,610.26x = 107,406.96 × 19,023.80 - Step 4: Simplify right side
71,610.26x = 2,043,288,525.65 - Step 5: Solve for x
x = 2,043,288,525.65/71,610.26 - Step 6: Final answer
x = 28,533.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.