Home / 50,431.26-69,619.05-29,202.78

Finding the Fourth Proportional to 50,431.26, 69,619.05 and 29,202.78

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Solution

The fourth proportional to 50,431.26, 69,619.05 and 29,202.78 is: 40,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,431.26 : 69,619.05 = 29,202.78 : x
  2. Step 2: Convert to fraction form
    50,431.26/69,619.05 = 29,202.78/x
  3. Step 3: Cross multiply
    50,431.26x = 69,619.05 × 29,202.78
  4. Step 4: Simplify right side
    50,431.26x = 2,033,069,800.96
  5. Step 5: Solve for x
    x = 2,033,069,800.96/50,431.26
  6. Step 6: Final answer
    x = 40,313.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.