Home / 37,200.75-51,337.04-20,433.75

Finding the Fourth Proportional to 37,200.75, 51,337.04 and 20,433.75

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Solution

The fourth proportional to 37,200.75, 51,337.04 and 20,433.75 is: 28,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.75 : 51,337.04 = 20,433.75 : x
  2. Step 2: Convert to fraction form
    37,200.75/51,337.04 = 20,433.75/x
  3. Step 3: Cross multiply
    37,200.75x = 51,337.04 × 20,433.75
  4. Step 4: Simplify right side
    37,200.75x = 1,049,008,241.10
  5. Step 5: Solve for x
    x = 1,049,008,241.10/37,200.75
  6. Step 6: Final answer
    x = 28,198.58

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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.