Home / 38,560.44-57,840.66-20,128.44

Finding the Fourth Proportional to 38,560.44, 57,840.66 and 20,128.44

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Solution

The fourth proportional to 38,560.44, 57,840.66 and 20,128.44 is: 30,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.44 : 57,840.66 = 20,128.44 : x
  2. Step 2: Convert to fraction form
    38,560.44/57,840.66 = 20,128.44/x
  3. Step 3: Cross multiply
    38,560.44x = 57,840.66 × 20,128.44
  4. Step 4: Simplify right side
    38,560.44x = 1,164,242,254.37
  5. Step 5: Solve for x
    x = 1,164,242,254.37/38,560.44
  6. Step 6: Final answer
    x = 30,192.66

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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.