Home / 50,276.75-75,446.89-28,104.67

Finding the Fourth Proportional to 50,276.75, 75,446.89 and 28,104.67

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Solution

The fourth proportional to 50,276.75, 75,446.89 and 28,104.67 is: 42,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,276.75 : 75,446.89 = 28,104.67 : x
  2. Step 2: Convert to fraction form
    50,276.75/75,446.89 = 28,104.67/x
  3. Step 3: Cross multiply
    50,276.75x = 75,446.89 × 28,104.67
  4. Step 4: Simplify right side
    50,276.75x = 2,120,410,128.11
  5. Step 5: Solve for x
    x = 2,120,410,128.11/50,276.75
  6. Step 6: Final answer
    x = 42,174.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.