Finding the Fourth Proportional to 44,290.05, 66,435.86 and 13,126.05
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Solution
The fourth proportional to 44,290.05, 66,435.86 and 13,126.05 is: 19,689.31
Step by Step Solution
- Step 1: Write the proportion equation
44,290.05 : 66,435.86 = 13,126.05 : x - Step 2: Convert to fraction form
44,290.05/66,435.86 = 13,126.05/x - Step 3: Cross multiply
44,290.05x = 66,435.86 × 13,126.05 - Step 4: Simplify right side
44,290.05x = 872,040,420.15 - Step 5: Solve for x
x = 872,040,420.15/44,290.05 - Step 6: Final answer
x = 19,689.31
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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.