Home / 43,488.77-65,225.29-19,790.73

Finding the Fourth Proportional to 43,488.77, 65,225.29 and 19,790.73

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Solution

The fourth proportional to 43,488.77, 65,225.29 and 19,790.73 is: 29,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.77 : 65,225.29 = 19,790.73 : x
  2. Step 2: Convert to fraction form
    43,488.77/65,225.29 = 19,790.73/x
  3. Step 3: Cross multiply
    43,488.77x = 65,225.29 × 19,790.73
  4. Step 4: Simplify right side
    43,488.77x = 1,290,856,103.56
  5. Step 5: Solve for x
    x = 1,290,856,103.56/43,488.77
  6. Step 6: Final answer
    x = 29,682.52

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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.