Finding the Fourth Proportional to 45,573.09, 62,890.74 and 25,429.75
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Solution
The fourth proportional to 45,573.09, 62,890.74 and 25,429.75 is: 35,092.99
Step by Step Solution
- Step 1: Write the proportion equation
45,573.09 : 62,890.74 = 25,429.75 : x - Step 2: Convert to fraction form
45,573.09/62,890.74 = 25,429.75/x - Step 3: Cross multiply
45,573.09x = 62,890.74 × 25,429.75 - Step 4: Simplify right side
45,573.09x = 1,599,295,795.52 - Step 5: Solve for x
x = 1,599,295,795.52/45,573.09 - Step 6: Final answer
x = 35,092.99
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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.