Home / 36,622.55-50,540.11-20,709.38

Finding the Fourth Proportional to 36,622.55, 50,540.11 and 20,709.38

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Solution

The fourth proportional to 36,622.55, 50,540.11 and 20,709.38 is: 28,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,622.55 : 50,540.11 = 20,709.38 : x
  2. Step 2: Convert to fraction form
    36,622.55/50,540.11 = 20,709.38/x
  3. Step 3: Cross multiply
    36,622.55x = 50,540.11 × 20,709.38
  4. Step 4: Simplify right side
    36,622.55x = 1,046,654,038.76
  5. Step 5: Solve for x
    x = 1,046,654,038.76/36,622.55
  6. Step 6: Final answer
    x = 28,579.50

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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.