Home / 50,115.56-75,180.36-20,537.60

Finding the Fourth Proportional to 50,115.56, 75,180.36 and 20,537.60

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Solution

The fourth proportional to 50,115.56, 75,180.36 and 20,537.60 is: 30,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.56 : 75,180.36 = 20,537.60 : x
  2. Step 2: Convert to fraction form
    50,115.56/75,180.36 = 20,537.60/x
  3. Step 3: Cross multiply
    50,115.56x = 75,180.36 × 20,537.60
  4. Step 4: Simplify right side
    50,115.56x = 1,544,024,161.54
  5. Step 5: Solve for x
    x = 1,544,024,161.54/50,115.56
  6. Step 6: Final answer
    x = 30,809.28

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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.