Finding the Fourth Proportional to 50,641.05, 69,888.74 and 27,982.02
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Solution
The fourth proportional to 50,641.05, 69,888.74 and 27,982.02 is: 38,617.45
Step by Step Solution
- Step 1: Write the proportion equation
50,641.05 : 69,888.74 = 27,982.02 : x - Step 2: Convert to fraction form
50,641.05/69,888.74 = 27,982.02/x - Step 3: Cross multiply
50,641.05x = 69,888.74 × 27,982.02 - Step 4: Simplify right side
50,641.05x = 1,955,627,980.54 - Step 5: Solve for x
x = 1,955,627,980.54/50,641.05 - Step 6: Final answer
x = 38,617.45
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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.