Finding the Fourth Proportional to 35,921.05, 53,881.57 and 13,736.66
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Solution
The fourth proportional to 35,921.05, 53,881.57 and 13,736.66 is: 20,604.99
Step by Step Solution
- Step 1: Write the proportion equation
35,921.05 : 53,881.57 = 13,736.66 : x - Step 2: Convert to fraction form
35,921.05/53,881.57 = 13,736.66/x - Step 3: Cross multiply
35,921.05x = 53,881.57 × 13,736.66 - Step 4: Simplify right side
35,921.05x = 740,152,807.36 - Step 5: Solve for x
x = 740,152,807.36/35,921.05 - Step 6: Final answer
x = 20,604.99
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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.