Home / 33,128.46-45,718.56-18,984.11

Finding the Fourth Proportional to 33,128.46, 45,718.56 and 18,984.11

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Solution

The fourth proportional to 33,128.46, 45,718.56 and 18,984.11 is: 26,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128.46 : 45,718.56 = 18,984.11 : x
  2. Step 2: Convert to fraction form
    33,128.46/45,718.56 = 18,984.11/x
  3. Step 3: Cross multiply
    33,128.46x = 45,718.56 × 18,984.11
  4. Step 4: Simplify right side
    33,128.46x = 867,925,943.49
  5. Step 5: Solve for x
    x = 867,925,943.49/33,128.46
  6. Step 6: Final answer
    x = 26,198.80

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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.