Home / 40,936.39-61,171.52-30,738.28

Finding the Fourth Proportional to 40,936.39, 61,171.52 and 30,738.28

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Solution

The fourth proportional to 40,936.39, 61,171.52 and 30,738.28 is: 45,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,936.39 : 61,171.52 = 30,738.28 : x
  2. Step 2: Convert to fraction form
    40,936.39/61,171.52 = 30,738.28/x
  3. Step 3: Cross multiply
    40,936.39x = 61,171.52 × 30,738.28
  4. Step 4: Simplify right side
    40,936.39x = 1,880,307,309.79
  5. Step 5: Solve for x
    x = 1,880,307,309.79/40,936.39
  6. Step 6: Final answer
    x = 45,932.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.