Home / 33,121.56-45,707.72-18,974.46

Finding the Fourth Proportional to 33,121.56, 45,707.72 and 18,974.46

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Solution

The fourth proportional to 33,121.56, 45,707.72 and 18,974.46 is: 26,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.56 : 45,707.72 = 18,974.46 : x
  2. Step 2: Convert to fraction form
    33,121.56/45,707.72 = 18,974.46/x
  3. Step 3: Cross multiply
    33,121.56x = 45,707.72 × 18,974.46
  4. Step 4: Simplify right side
    33,121.56x = 867,279,304.83
  5. Step 5: Solve for x
    x = 867,279,304.83/33,121.56
  6. Step 6: Final answer
    x = 26,184.74

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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.