Home / 49,738-74,627.88-20,176.96

Finding the Fourth Proportional to 49,738, 74,627.88 and 20,176.96

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Solution

The fourth proportional to 49,738, 74,627.88 and 20,176.96 is: 30,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738 : 74,627.88 = 20,176.96 : x
  2. Step 2: Convert to fraction form
    49,738/74,627.88 = 20,176.96/x
  3. Step 3: Cross multiply
    49,738x = 74,627.88 × 20,176.96
  4. Step 4: Simplify right side
    49,738x = 1,505,763,749.64
  5. Step 5: Solve for x
    x = 1,505,763,749.64/49,738
  6. Step 6: Final answer
    x = 30,273.91

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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.