Finding the Fourth Proportional to 50,340.31, 69,471.41 and 27,681.02
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Solution
The fourth proportional to 50,340.31, 69,471.41 and 27,681.02 is: 38,200.79
Step by Step Solution
- Step 1: Write the proportion equation
50,340.31 : 69,471.41 = 27,681.02 : x - Step 2: Convert to fraction form
50,340.31/69,471.41 = 27,681.02/x - Step 3: Cross multiply
50,340.31x = 69,471.41 × 27,681.02 - Step 4: Simplify right side
50,340.31x = 1,923,039,351.23 - Step 5: Solve for x
x = 1,923,039,351.23/50,340.31 - Step 6: Final answer
x = 38,200.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.