Home / 38,523.16-57,782.22-12,229.48

Finding the Fourth Proportional to 38,523.16, 57,782.22 and 12,229.48

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Solution

The fourth proportional to 38,523.16, 57,782.22 and 12,229.48 is: 18,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.16 : 57,782.22 = 12,229.48 : x
  2. Step 2: Convert to fraction form
    38,523.16/57,782.22 = 12,229.48/x
  3. Step 3: Cross multiply
    38,523.16x = 57,782.22 × 12,229.48
  4. Step 4: Simplify right side
    38,523.16x = 706,646,503.85
  5. Step 5: Solve for x
    x = 706,646,503.85/38,523.16
  6. Step 6: Final answer
    x = 18,343.42

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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.