Home / 57,914.64-79,972.08-36,440.20

Finding the Fourth Proportional to 57,914.64, 79,972.08 and 36,440.20

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Solution

The fourth proportional to 57,914.64, 79,972.08 and 36,440.20 is: 50,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,914.64 : 79,972.08 = 36,440.20 : x
  2. Step 2: Convert to fraction form
    57,914.64/79,972.08 = 36,440.20/x
  3. Step 3: Cross multiply
    57,914.64x = 79,972.08 × 36,440.20
  4. Step 4: Simplify right side
    57,914.64x = 2,914,198,589.62
  5. Step 5: Solve for x
    x = 2,914,198,589.62/57,914.64
  6. Step 6: Final answer
    x = 50,318.86

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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.