Home / 36,985.88-55,371.90-21,742.49

Finding the Fourth Proportional to 36,985.88, 55,371.90 and 21,742.49

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Solution

The fourth proportional to 36,985.88, 55,371.90 and 21,742.49 is: 32,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.88 : 55,371.90 = 21,742.49 : x
  2. Step 2: Convert to fraction form
    36,985.88/55,371.90 = 21,742.49/x
  3. Step 3: Cross multiply
    36,985.88x = 55,371.90 × 21,742.49
  4. Step 4: Simplify right side
    36,985.88x = 1,203,923,202.00
  5. Step 5: Solve for x
    x = 1,203,923,202.00/36,985.88
  6. Step 6: Final answer
    x = 32,550.88

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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.