Home / 36,279.72-50,065.92-20,365.74

Finding the Fourth Proportional to 36,279.72, 50,065.92 and 20,365.74

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Solution

The fourth proportional to 36,279.72, 50,065.92 and 20,365.74 is: 28,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.72 : 50,065.92 = 20,365.74 : x
  2. Step 2: Convert to fraction form
    36,279.72/50,065.92 = 20,365.74/x
  3. Step 3: Cross multiply
    36,279.72x = 50,065.92 × 20,365.74
  4. Step 4: Simplify right side
    36,279.72x = 1,019,629,509.58
  5. Step 5: Solve for x
    x = 1,019,629,509.58/36,279.72
  6. Step 6: Final answer
    x = 28,104.67

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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.