Finding the Fourth Proportional to 35,357.52, 53,028.81 and 10,390.79
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Solution
The fourth proportional to 35,357.52, 53,028.81 and 10,390.79 is: 15,583.99
Step by Step Solution
- Step 1: Write the proportion equation
35,357.52 : 53,028.81 = 10,390.79 : x - Step 2: Convert to fraction form
35,357.52/53,028.81 = 10,390.79/x - Step 3: Cross multiply
35,357.52x = 53,028.81 × 10,390.79 - Step 4: Simplify right side
35,357.52x = 551,011,228.66 - Step 5: Solve for x
x = 551,011,228.66/35,357.52 - Step 6: Final answer
x = 15,583.99
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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.