Home / 43,627.77-65,343.24-20,205

Finding the Fourth Proportional to 43,627.77, 65,343.24 and 20,205

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Solution

The fourth proportional to 43,627.77, 65,343.24 and 20,205 is: 30,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,627.77 : 65,343.24 = 20,205 : x
  2. Step 2: Convert to fraction form
    43,627.77/65,343.24 = 20,205/x
  3. Step 3: Cross multiply
    43,627.77x = 65,343.24 × 20,205
  4. Step 4: Simplify right side
    43,627.77x = 1,320,260,164.20
  5. Step 5: Solve for x
    x = 1,320,260,164.20/43,627.77
  6. Step 6: Final answer
    x = 30,261.92

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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.