Home / 49,749.66-68,650.74-28,236.87

Finding the Fourth Proportional to 49,749.66, 68,650.74 and 28,236.87

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Solution

The fourth proportional to 49,749.66, 68,650.74 and 28,236.87 is: 38,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,749.66 : 68,650.74 = 28,236.87 : x
  2. Step 2: Convert to fraction form
    49,749.66/68,650.74 = 28,236.87/x
  3. Step 3: Cross multiply
    49,749.66x = 68,650.74 × 28,236.87
  4. Step 4: Simplify right side
    49,749.66x = 1,938,482,020.78
  5. Step 5: Solve for x
    x = 1,938,482,020.78/49,749.66
  6. Step 6: Final answer
    x = 38,964.73

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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.