Home / 56,161.44-84,236.39-18,717.47

Finding the Fourth Proportional to 56,161.44, 84,236.39 and 18,717.47

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Solution

The fourth proportional to 56,161.44, 84,236.39 and 18,717.47 is: 28,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,161.44 : 84,236.39 = 18,717.47 : x
  2. Step 2: Convert to fraction form
    56,161.44/84,236.39 = 18,717.47/x
  3. Step 3: Cross multiply
    56,161.44x = 84,236.39 × 18,717.47
  4. Step 4: Simplify right side
    56,161.44x = 1,576,691,974.04
  5. Step 5: Solve for x
    x = 1,576,691,974.04/56,161.44
  6. Step 6: Final answer
    x = 28,074.28

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1.5x scale

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.