Home / 40,121.28-55,270.74-33,747.96

Finding the Fourth Proportional to 40,121.28, 55,270.74 and 33,747.96

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Solution

The fourth proportional to 40,121.28, 55,270.74 and 33,747.96 is: 46,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.28 : 55,270.74 = 33,747.96 : x
  2. Step 2: Convert to fraction form
    40,121.28/55,270.74 = 33,747.96/x
  3. Step 3: Cross multiply
    40,121.28x = 55,270.74 × 33,747.96
  4. Step 4: Simplify right side
    40,121.28x = 1,865,274,722.69
  5. Step 5: Solve for x
    x = 1,865,274,722.69/40,121.28
  6. Step 6: Final answer
    x = 46,490.91

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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.