Home / 50,896.20-70,163.01-35,742.72

Finding the Fourth Proportional to 50,896.20, 70,163.01 and 35,742.72

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Solution

The fourth proportional to 50,896.20, 70,163.01 and 35,742.72 is: 49,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,896.20 : 70,163.01 = 35,742.72 : x
  2. Step 2: Convert to fraction form
    50,896.20/70,163.01 = 35,742.72/x
  3. Step 3: Cross multiply
    50,896.20x = 70,163.01 × 35,742.72
  4. Step 4: Simplify right side
    50,896.20x = 2,507,816,820.79
  5. Step 5: Solve for x
    x = 2,507,816,820.79/50,896.20
  6. Step 6: Final answer
    x = 49,273.16

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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.