Finding the Fourth Proportional to 42,298.44, 58,378.08 and 24,390
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Solution
The fourth proportional to 42,298.44, 58,378.08 and 24,390 is: 33,661.79
Step by Step Solution
- Step 1: Write the proportion equation
42,298.44 : 58,378.08 = 24,390 : x - Step 2: Convert to fraction form
42,298.44/58,378.08 = 24,390/x - Step 3: Cross multiply
42,298.44x = 58,378.08 × 24,390 - Step 4: Simplify right side
42,298.44x = 1,423,841,371.20 - Step 5: Solve for x
x = 1,423,841,371.20/42,298.44 - Step 6: Final answer
x = 33,661.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.