Finding the Fourth Proportional to 34,395.78, 47,466.72 and 19,291.80
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Solution
The fourth proportional to 34,395.78, 47,466.72 and 19,291.80 is: 26,622.99
Step by Step Solution
- Step 1: Write the proportion equation
34,395.78 : 47,466.72 = 19,291.80 : x - Step 2: Convert to fraction form
34,395.78/47,466.72 = 19,291.80/x - Step 3: Cross multiply
34,395.78x = 47,466.72 × 19,291.80 - Step 4: Simplify right side
34,395.78x = 915,718,468.90 - Step 5: Solve for x
x = 915,718,468.90/34,395.78 - Step 6: Final answer
x = 26,622.99
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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.