Finding the Fourth Proportional to 52,958.98, 79,438.43 and 13,516.09
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Solution
The fourth proportional to 52,958.98, 79,438.43 and 13,516.09 is: 20,274.12
Step by Step Solution
- Step 1: Write the proportion equation
52,958.98 : 79,438.43 = 13,516.09 : x - Step 2: Convert to fraction form
52,958.98/79,438.43 = 13,516.09/x - Step 3: Cross multiply
52,958.98x = 79,438.43 × 13,516.09 - Step 4: Simplify right side
52,958.98x = 1,073,696,901.76 - Step 5: Solve for x
x = 1,073,696,901.76/52,958.98 - Step 6: Final answer
x = 20,274.12
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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.