Finding the Fourth Proportional to 79,536.30, 119,301.71 and 20,372.48
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Solution
The fourth proportional to 79,536.30, 119,301.71 and 20,372.48 is: 30,558.02
Step by Step Solution
- Step 1: Write the proportion equation
79,536.30 : 119,301.71 = 20,372.48 : x - Step 2: Convert to fraction form
79,536.30/119,301.71 = 20,372.48/x - Step 3: Cross multiply
79,536.30x = 119,301.71 × 20,372.48 - Step 4: Simplify right side
79,536.30x = 2,430,471,700.94 - Step 5: Solve for x
x = 2,430,471,700.94/79,536.30 - Step 6: Final answer
x = 30,558.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.