Home / 36,433.95-50,279.04-20,518.67

Finding the Fourth Proportional to 36,433.95, 50,279.04 and 20,518.67

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Solution

The fourth proportional to 36,433.95, 50,279.04 and 20,518.67 is: 28,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,433.95 : 50,279.04 = 20,518.67 : x
  2. Step 2: Convert to fraction form
    36,433.95/50,279.04 = 20,518.67/x
  3. Step 3: Cross multiply
    36,433.95x = 50,279.04 × 20,518.67
  4. Step 4: Simplify right side
    36,433.95x = 1,031,659,029.68
  5. Step 5: Solve for x
    x = 1,031,659,029.68/36,433.95
  6. Step 6: Final answer
    x = 28,315.87

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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.