Finding the Fourth Proportional to 86,943.04, 130,420.12 and 24,618.40
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Solution
The fourth proportional to 86,943.04, 130,420.12 and 24,618.40 is: 36,929.17
Step by Step Solution
- Step 1: Write the proportion equation
86,943.04 : 130,420.12 = 24,618.40 : x - Step 2: Convert to fraction form
86,943.04/130,420.12 = 24,618.40/x - Step 3: Cross multiply
86,943.04x = 130,420.12 × 24,618.40 - Step 4: Simplify right side
86,943.04x = 3,210,734,682.21 - Step 5: Solve for x
x = 3,210,734,682.21/86,943.04 - Step 6: Final answer
x = 36,929.17
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1.5x scale
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.