Home / 43,666.06-65,444.32-18,676.77

Finding the Fourth Proportional to 43,666.06, 65,444.32 and 18,676.77

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Solution

The fourth proportional to 43,666.06, 65,444.32 and 18,676.77 is: 27,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,666.06 : 65,444.32 = 18,676.77 : x
  2. Step 2: Convert to fraction form
    43,666.06/65,444.32 = 18,676.77/x
  3. Step 3: Cross multiply
    43,666.06x = 65,444.32 × 18,676.77
  4. Step 4: Simplify right side
    43,666.06x = 1,222,288,512.45
  5. Step 5: Solve for x
    x = 1,222,288,512.45/43,666.06
  6. Step 6: Final answer
    x = 27,991.73

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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.