Home / 50,412.96-69,496.92-39,783.60

Finding the Fourth Proportional to 50,412.96, 69,496.92 and 39,783.60

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Solution

The fourth proportional to 50,412.96, 69,496.92 and 39,783.60 is: 54,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,412.96 : 69,496.92 = 39,783.60 : x
  2. Step 2: Convert to fraction form
    50,412.96/69,496.92 = 39,783.60/x
  3. Step 3: Cross multiply
    50,412.96x = 69,496.92 × 39,783.60
  4. Step 4: Simplify right side
    50,412.96x = 2,764,837,666.51
  5. Step 5: Solve for x
    x = 2,764,837,666.51/50,412.96
  6. Step 6: Final answer
    x = 54,843.79

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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.