Finding the Fourth Proportional to 50,279.14, 69,386.06 and 27,619.09
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Solution
The fourth proportional to 50,279.14, 69,386.06 and 27,619.09 is: 38,114.81
Step by Step Solution
- Step 1: Write the proportion equation
50,279.14 : 69,386.06 = 27,619.09 : x - Step 2: Convert to fraction form
50,279.14/69,386.06 = 27,619.09/x - Step 3: Cross multiply
50,279.14x = 69,386.06 × 27,619.09 - Step 4: Simplify right side
50,279.14x = 1,916,379,835.89 - Step 5: Solve for x
x = 1,916,379,835.89/50,279.14 - Step 6: Final answer
x = 38,114.81
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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.