Finding the Fourth Proportional to 56,660.81, 84,989.48 and 14,539.19
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Solution
The fourth proportional to 56,660.81, 84,989.48 and 14,539.19 is: 21,808.33
Step by Step Solution
- Step 1: Write the proportion equation
56,660.81 : 84,989.48 = 14,539.19 : x - Step 2: Convert to fraction form
56,660.81/84,989.48 = 14,539.19/x - Step 3: Cross multiply
56,660.81x = 84,989.48 × 14,539.19 - Step 4: Simplify right side
56,660.81x = 1,235,677,700.08 - Step 5: Solve for x
x = 1,235,677,700.08/56,660.81 - Step 6: Final answer
x = 21,808.33
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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.