Home / 36,157.68-54,243.81-12,800.52

Finding the Fourth Proportional to 36,157.68, 54,243.81 and 12,800.52

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Solution

The fourth proportional to 36,157.68, 54,243.81 and 12,800.52 is: 19,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,157.68 : 54,243.81 = 12,800.52 : x
  2. Step 2: Convert to fraction form
    36,157.68/54,243.81 = 12,800.52/x
  3. Step 3: Cross multiply
    36,157.68x = 54,243.81 × 12,800.52
  4. Step 4: Simplify right side
    36,157.68x = 694,348,974.78
  5. Step 5: Solve for x
    x = 694,348,974.78/36,157.68
  6. Step 6: Final answer
    x = 19,203.36

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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.