Home / 43,163.86-64,674.51-19,738.66

Finding the Fourth Proportional to 43,163.86, 64,674.51 and 19,738.66

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Solution

The fourth proportional to 43,163.86, 64,674.51 and 19,738.66 is: 29,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163.86 : 64,674.51 = 19,738.66 : x
  2. Step 2: Convert to fraction form
    43,163.86/64,674.51 = 19,738.66/x
  3. Step 3: Cross multiply
    43,163.86x = 64,674.51 × 19,738.66
  4. Step 4: Simplify right side
    43,163.86x = 1,276,588,163.56
  5. Step 5: Solve for x
    x = 1,276,588,163.56/43,163.86
  6. Step 6: Final answer
    x = 29,575.39

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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.