Finding the Fourth Proportional to 43,997.08, 65,981.92 and 14,408.32
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Solution
The fourth proportional to 43,997.08, 65,981.92 and 14,408.32 is: 21,607.99
Step by Step Solution
- Step 1: Write the proportion equation
43,997.08 : 65,981.92 = 14,408.32 : x - Step 2: Convert to fraction form
43,997.08/65,981.92 = 14,408.32/x - Step 3: Cross multiply
43,997.08x = 65,981.92 × 14,408.32 - Step 4: Simplify right side
43,997.08x = 950,688,617.57 - Step 5: Solve for x
x = 950,688,617.57/43,997.08 - Step 6: Final answer
x = 21,607.99
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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.