Home / 50,372.69-75,503.62-20,774.35

Finding the Fourth Proportional to 50,372.69, 75,503.62 and 20,774.35

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Solution

The fourth proportional to 50,372.69, 75,503.62 and 20,774.35 is: 31,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,372.69 : 75,503.62 = 20,774.35 : x
  2. Step 2: Convert to fraction form
    50,372.69/75,503.62 = 20,774.35/x
  3. Step 3: Cross multiply
    50,372.69x = 75,503.62 × 20,774.35
  4. Step 4: Simplify right side
    50,372.69x = 1,568,538,146.76
  5. Step 5: Solve for x
    x = 1,568,538,146.76/50,372.69
  6. Step 6: Final answer
    x = 31,138.66

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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.