Home / 37,779.88-56,677.38-21,163.54

Finding the Fourth Proportional to 37,779.88, 56,677.38 and 21,163.54

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Solution

The fourth proportional to 37,779.88, 56,677.38 and 21,163.54 is: 31,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.88 : 56,677.38 = 21,163.54 : x
  2. Step 2: Convert to fraction form
    37,779.88/56,677.38 = 21,163.54/x
  3. Step 3: Cross multiply
    37,779.88x = 56,677.38 × 21,163.54
  4. Step 4: Simplify right side
    37,779.88x = 1,199,493,998.73
  5. Step 5: Solve for x
    x = 1,199,493,998.73/37,779.88
  6. Step 6: Final answer
    x = 31,749.54

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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.