Home / 45,614.88-62,943.94-31,286.94

Finding the Fourth Proportional to 45,614.88, 62,943.94 and 31,286.94

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Solution

The fourth proportional to 45,614.88, 62,943.94 and 31,286.94 is: 43,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,614.88 : 62,943.94 = 31,286.94 : x
  2. Step 2: Convert to fraction form
    45,614.88/62,943.94 = 31,286.94/x
  3. Step 3: Cross multiply
    45,614.88x = 62,943.94 × 31,286.94
  4. Step 4: Simplify right side
    45,614.88x = 1,969,323,274.14
  5. Step 5: Solve for x
    x = 1,969,323,274.14/45,614.88
  6. Step 6: Final answer
    x = 43,172.83

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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.