Home / 43,164.86-64,676.01-19,739.66

Finding the Fourth Proportional to 43,164.86, 64,676.01 and 19,739.66

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Solution

The fourth proportional to 43,164.86, 64,676.01 and 19,739.66 is: 29,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164.86 : 64,676.01 = 19,739.66 : x
  2. Step 2: Convert to fraction form
    43,164.86/64,676.01 = 19,739.66/x
  3. Step 3: Cross multiply
    43,164.86x = 64,676.01 × 19,739.66
  4. Step 4: Simplify right side
    43,164.86x = 1,276,682,447.56
  5. Step 5: Solve for x
    x = 1,276,682,447.56/43,164.86
  6. Step 6: Final answer
    x = 29,576.89

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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.