Finding the Fourth Proportional to 42,286.74, 63,430.26 and 14,205.99
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Solution
The fourth proportional to 42,286.74, 63,430.26 and 14,205.99 is: 21,309.04
Step by Step Solution
- Step 1: Write the proportion equation
42,286.74 : 63,430.26 = 14,205.99 : x - Step 2: Convert to fraction form
42,286.74/63,430.26 = 14,205.99/x - Step 3: Cross multiply
42,286.74x = 63,430.26 × 14,205.99 - Step 4: Simplify right side
42,286.74x = 901,089,639.26 - Step 5: Solve for x
x = 901,089,639.26/42,286.74 - Step 6: Final answer
x = 21,309.04
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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.