Home / 38,105.48-57,158.22-13,152.68

Finding the Fourth Proportional to 38,105.48, 57,158.22 and 13,152.68

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Solution

The fourth proportional to 38,105.48, 57,158.22 and 13,152.68 is: 19,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.48 : 57,158.22 = 13,152.68 : x
  2. Step 2: Convert to fraction form
    38,105.48/57,158.22 = 13,152.68/x
  3. Step 3: Cross multiply
    38,105.48x = 57,158.22 × 13,152.68
  4. Step 4: Simplify right side
    38,105.48x = 751,783,777.03
  5. Step 5: Solve for x
    x = 751,783,777.03/38,105.48
  6. Step 6: Final answer
    x = 19,729.02

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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.