Home / 57,914.05-79,928.92-32,430.12

Finding the Fourth Proportional to 57,914.05, 79,928.92 and 32,430.12

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Solution

The fourth proportional to 57,914.05, 79,928.92 and 32,430.12 is: 44,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,914.05 : 79,928.92 = 32,430.12 : x
  2. Step 2: Convert to fraction form
    57,914.05/79,928.92 = 32,430.12/x
  3. Step 3: Cross multiply
    57,914.05x = 79,928.92 × 32,430.12
  4. Step 4: Simplify right side
    57,914.05x = 2,592,104,067.43
  5. Step 5: Solve for x
    x = 2,592,104,067.43/57,914.05
  6. Step 6: Final answer
    x = 44,757.78

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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.