Home / 36,291.36-50,078.34-20,377.56

Finding the Fourth Proportional to 36,291.36, 50,078.34 and 20,377.56

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Solution

The fourth proportional to 36,291.36, 50,078.34 and 20,377.56 is: 28,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.36 : 50,078.34 = 20,377.56 : x
  2. Step 2: Convert to fraction form
    36,291.36/50,078.34 = 20,377.56/x
  3. Step 3: Cross multiply
    36,291.36x = 50,078.34 × 20,377.56
  4. Step 4: Simplify right side
    36,291.36x = 1,020,474,378.05
  5. Step 5: Solve for x
    x = 1,020,474,378.05/36,291.36
  6. Step 6: Final answer
    x = 28,118.93

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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.