Home / 50,117.56-75,183.36-20,539.60

Finding the Fourth Proportional to 50,117.56, 75,183.36 and 20,539.60

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Solution

The fourth proportional to 50,117.56, 75,183.36 and 20,539.60 is: 30,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,117.56 : 75,183.36 = 20,539.60 : x
  2. Step 2: Convert to fraction form
    50,117.56/75,183.36 = 20,539.60/x
  3. Step 3: Cross multiply
    50,117.56x = 75,183.36 × 20,539.60
  4. Step 4: Simplify right side
    50,117.56x = 1,544,236,141.06
  5. Step 5: Solve for x
    x = 1,544,236,141.06/50,117.56
  6. Step 6: Final answer
    x = 30,812.28

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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.