Home / 36,257.42-50,040.45-20,128.43

Finding the Fourth Proportional to 36,257.42, 50,040.45 and 20,128.43

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Solution

The fourth proportional to 36,257.42, 50,040.45 and 20,128.43 is: 27,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,257.42 : 50,040.45 = 20,128.43 : x
  2. Step 2: Convert to fraction form
    36,257.42/50,040.45 = 20,128.43/x
  3. Step 3: Cross multiply
    36,257.42x = 50,040.45 × 20,128.43
  4. Step 4: Simplify right side
    36,257.42x = 1,007,235,820.09
  5. Step 5: Solve for x
    x = 1,007,235,820.09/36,257.42
  6. Step 6: Final answer
    x = 27,780.13

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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.