Home / 43,844.37-65,776.29-20,458.05

Finding the Fourth Proportional to 43,844.37, 65,776.29 and 20,458.05

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Solution

The fourth proportional to 43,844.37, 65,776.29 and 20,458.05 is: 30,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,844.37 : 65,776.29 = 20,458.05 : x
  2. Step 2: Convert to fraction form
    43,844.37/65,776.29 = 20,458.05/x
  3. Step 3: Cross multiply
    43,844.37x = 65,776.29 × 20,458.05
  4. Step 4: Simplify right side
    43,844.37x = 1,345,654,300.75
  5. Step 5: Solve for x
    x = 1,345,654,300.75/43,844.37
  6. Step 6: Final answer
    x = 30,691.61

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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.