Home / 38,157.48-57,236.49-11,861.64

Finding the Fourth Proportional to 38,157.48, 57,236.49 and 11,861.64

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Solution

The fourth proportional to 38,157.48, 57,236.49 and 11,861.64 is: 17,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.48 : 57,236.49 = 11,861.64 : x
  2. Step 2: Convert to fraction form
    38,157.48/57,236.49 = 11,861.64/x
  3. Step 3: Cross multiply
    38,157.48x = 57,236.49 × 11,861.64
  4. Step 4: Simplify right side
    38,157.48x = 678,918,639.24
  5. Step 5: Solve for x
    x = 678,918,639.24/38,157.48
  6. Step 6: Final answer
    x = 17,792.54

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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.