Home / 36,690.20-50,632.50-20,774.67

Finding the Fourth Proportional to 36,690.20, 50,632.50 and 20,774.67

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Solution

The fourth proportional to 36,690.20, 50,632.50 and 20,774.67 is: 28,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.20 : 50,632.50 = 20,774.67 : x
  2. Step 2: Convert to fraction form
    36,690.20/50,632.50 = 20,774.67/x
  3. Step 3: Cross multiply
    36,690.20x = 50,632.50 × 20,774.67
  4. Step 4: Simplify right side
    36,690.20x = 1,051,873,478.78
  5. Step 5: Solve for x
    x = 1,051,873,478.78/36,690.20
  6. Step 6: Final answer
    x = 28,669.06

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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.