Home / 37,960.75-52,385.38-20,965.69

Finding the Fourth Proportional to 37,960.75, 52,385.38 and 20,965.69

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Solution

The fourth proportional to 37,960.75, 52,385.38 and 20,965.69 is: 28,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,960.75 : 52,385.38 = 20,965.69 : x
  2. Step 2: Convert to fraction form
    37,960.75/52,385.38 = 20,965.69/x
  3. Step 3: Cross multiply
    37,960.75x = 52,385.38 × 20,965.69
  4. Step 4: Simplify right side
    37,960.75x = 1,098,295,473.94
  5. Step 5: Solve for x
    x = 1,098,295,473.94/37,960.75
  6. Step 6: Final answer
    x = 28,932.40

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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.