Home / 36,261.05-50,040.11-20,345.56

Finding the Fourth Proportional to 36,261.05, 50,040.11 and 20,345.56

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Solution

The fourth proportional to 36,261.05, 50,040.11 and 20,345.56 is: 28,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.05 : 50,040.11 = 20,345.56 : x
  2. Step 2: Convert to fraction form
    36,261.05/50,040.11 = 20,345.56/x
  3. Step 3: Cross multiply
    36,261.05x = 50,040.11 × 20,345.56
  4. Step 4: Simplify right side
    36,261.05x = 1,018,093,708.48
  5. Step 5: Solve for x
    x = 1,018,093,708.48/36,261.05
  6. Step 6: Final answer
    x = 28,076.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.