Home / 50,073.26-75,109.68-20,491.08

Finding the Fourth Proportional to 50,073.26, 75,109.68 and 20,491.08

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Solution

The fourth proportional to 50,073.26, 75,109.68 and 20,491.08 is: 30,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,073.26 : 75,109.68 = 20,491.08 : x
  2. Step 2: Convert to fraction form
    50,073.26/75,109.68 = 20,491.08/x
  3. Step 3: Cross multiply
    50,073.26x = 75,109.68 × 20,491.08
  4. Step 4: Simplify right side
    50,073.26x = 1,539,078,179.99
  5. Step 5: Solve for x
    x = 1,539,078,179.99/50,073.26
  6. Step 6: Final answer
    x = 30,736.53

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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.