Home / 50,163.35-75,133.98-20,491.16

Finding the Fourth Proportional to 50,163.35, 75,133.98 and 20,491.16

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Solution

The fourth proportional to 50,163.35, 75,133.98 and 20,491.16 is: 30,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,163.35 : 75,133.98 = 20,491.16 : x
  2. Step 2: Convert to fraction form
    50,163.35/75,133.98 = 20,491.16/x
  3. Step 3: Cross multiply
    50,163.35x = 75,133.98 × 20,491.16
  4. Step 4: Simplify right side
    50,163.35x = 1,539,582,029.95
  5. Step 5: Solve for x
    x = 1,539,582,029.95/50,163.35
  6. Step 6: Final answer
    x = 30,691.37

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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.