Home / 32,850.80-45,337.65-20,112.56

Finding the Fourth Proportional to 32,850.80, 45,337.65 and 20,112.56

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Solution

The fourth proportional to 32,850.80, 45,337.65 and 20,112.56 is: 27,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,850.80 : 45,337.65 = 20,112.56 : x
  2. Step 2: Convert to fraction form
    32,850.80/45,337.65 = 20,112.56/x
  3. Step 3: Cross multiply
    32,850.80x = 45,337.65 × 20,112.56
  4. Step 4: Simplify right side
    32,850.80x = 911,856,205.88
  5. Step 5: Solve for x
    x = 911,856,205.88/32,850.80
  6. Step 6: Final answer
    x = 27,757.50

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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.