Finding the Fourth Proportional to 43,908.04, 65,880.81 and 13,924.70
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Solution
The fourth proportional to 43,908.04, 65,880.81 and 13,924.70 is: 20,892.99
Step by Step Solution
- Step 1: Write the proportion equation
43,908.04 : 65,880.81 = 13,924.70 : x - Step 2: Convert to fraction form
43,908.04/65,880.81 = 13,924.70/x - Step 3: Cross multiply
43,908.04x = 65,880.81 × 13,924.70 - Step 4: Simplify right side
43,908.04x = 917,370,369.38 - Step 5: Solve for x
x = 917,370,369.38/43,908.04 - Step 6: Final answer
x = 20,892.99
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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.