Finding the Fourth Proportional to 56,232.60, 84,349.80 and 14,679.60
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Solution
The fourth proportional to 56,232.60, 84,349.80 and 14,679.60 is: 22,019.63
Step by Step Solution
- Step 1: Write the proportion equation
56,232.60 : 84,349.80 = 14,679.60 : x - Step 2: Convert to fraction form
56,232.60/84,349.80 = 14,679.60/x - Step 3: Cross multiply
56,232.60x = 84,349.80 × 14,679.60 - Step 4: Simplify right side
56,232.60x = 1,238,221,324.08 - Step 5: Solve for x
x = 1,238,221,324.08/56,232.60 - Step 6: Final answer
x = 22,019.63
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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.