Home / 36,820.22-55,239.17-11,862.63

Finding the Fourth Proportional to 36,820.22, 55,239.17 and 11,862.63

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Solution

The fourth proportional to 36,820.22, 55,239.17 and 11,862.63 is: 17,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.22 : 55,239.17 = 11,862.63 : x
  2. Step 2: Convert to fraction form
    36,820.22/55,239.17 = 11,862.63/x
  3. Step 3: Cross multiply
    36,820.22x = 55,239.17 × 11,862.63
  4. Step 4: Simplify right side
    36,820.22x = 655,281,775.90
  5. Step 5: Solve for x
    x = 655,281,775.90/36,820.22
  6. Step 6: Final answer
    x = 17,796.79

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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.