Home / 41,153.56-61,680.78-18,936.52

Finding the Fourth Proportional to 41,153.56, 61,680.78 and 18,936.52

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Solution

The fourth proportional to 41,153.56, 61,680.78 and 18,936.52 is: 28,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,153.56 : 61,680.78 = 18,936.52 : x
  2. Step 2: Convert to fraction form
    41,153.56/61,680.78 = 18,936.52/x
  3. Step 3: Cross multiply
    41,153.56x = 61,680.78 × 18,936.52
  4. Step 4: Simplify right side
    41,153.56x = 1,168,019,324.09
  5. Step 5: Solve for x
    x = 1,168,019,324.09/41,153.56
  6. Step 6: Final answer
    x = 28,381.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.