Finding the Fourth Proportional to 31,203.36, 46,795.32 and 10,422
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Solution
The fourth proportional to 31,203.36, 46,795.32 and 10,422 is: 15,629.75
Step by Step Solution
- Step 1: Write the proportion equation
31,203.36 : 46,795.32 = 10,422 : x - Step 2: Convert to fraction form
31,203.36/46,795.32 = 10,422/x - Step 3: Cross multiply
31,203.36x = 46,795.32 × 10,422 - Step 4: Simplify right side
31,203.36x = 487,700,825.04 - Step 5: Solve for x
x = 487,700,825.04/31,203.36 - Step 6: Final answer
x = 15,629.75
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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.