Finding the Fourth Proportional to 67,840.22, 101,765.18 and 17,919.81
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Solution
The fourth proportional to 67,840.22, 101,765.18 and 17,919.81 is: 26,881.00
Step by Step Solution
- Step 1: Write the proportion equation
67,840.22 : 101,765.18 = 17,919.81 : x - Step 2: Convert to fraction form
67,840.22/101,765.18 = 17,919.81/x - Step 3: Cross multiply
67,840.22x = 101,765.18 × 17,919.81 - Step 4: Simplify right side
67,840.22x = 1,823,612,690.22 - Step 5: Solve for x
x = 1,823,612,690.22/67,840.22 - Step 6: Final answer
x = 26,881.00
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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.