Home / 36,421.11-50,260.94-20,505.67

Finding the Fourth Proportional to 36,421.11, 50,260.94 and 20,505.67

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Solution

The fourth proportional to 36,421.11, 50,260.94 and 20,505.67 is: 28,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.11 : 50,260.94 = 20,505.67 : x
  2. Step 2: Convert to fraction form
    36,421.11/50,260.94 = 20,505.67/x
  3. Step 3: Cross multiply
    36,421.11x = 50,260.94 × 20,505.67
  4. Step 4: Simplify right side
    36,421.11x = 1,030,634,249.53
  5. Step 5: Solve for x
    x = 1,030,634,249.53/36,421.11
  6. Step 6: Final answer
    x = 28,297.72

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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.