Finding the Fourth Proportional to 40.05, 59.58 and 36.99
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Solution
The fourth proportional to 40.05, 59.58 and 36.99 is: 55.03
Step by Step Solution
- Step 1: Write the proportion equation
40.05 : 59.58 = 36.99 : x - Step 2: Convert to fraction form
40.05/59.58 = 36.99/x - Step 3: Cross multiply
40.05x = 59.58 × 36.99 - Step 4: Simplify right side
40.05x = 2,203.86 - Step 5: Solve for x
x = 2,203.86/40.05 - Step 6: Final answer
x = 55.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.