Finding the Fourth Proportional to 42,670.08, 58,884.74 and 23,807.20
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Solution
The fourth proportional to 42,670.08, 58,884.74 and 23,807.20 is: 32,853.95
Step by Step Solution
- Step 1: Write the proportion equation
42,670.08 : 58,884.74 = 23,807.20 : x - Step 2: Convert to fraction form
42,670.08/58,884.74 = 23,807.20/x - Step 3: Cross multiply
42,670.08x = 58,884.74 × 23,807.20 - Step 4: Simplify right side
42,670.08x = 1,401,880,782.13 - Step 5: Solve for x
x = 1,401,880,782.13/42,670.08 - Step 6: Final answer
x = 32,853.95
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1.5x scale
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.