Finding the Fourth Proportional to 20,729.99, 31,100.35 and 5,940
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Solution
The fourth proportional to 20,729.99, 31,100.35 and 5,940 is: 8,911.54
Step by Step Solution
- Step 1: Write the proportion equation
20,729.99 : 31,100.35 = 5,940 : x - Step 2: Convert to fraction form
20,729.99/31,100.35 = 5,940/x - Step 3: Cross multiply
20,729.99x = 31,100.35 × 5,940 - Step 4: Simplify right side
20,729.99x = 184,736,079 - Step 5: Solve for x
x = 184,736,079/20,729.99 - Step 6: Final answer
x = 8,911.54
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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.