Home / 43,586.46-65,323.49-21,091.85

Finding the Fourth Proportional to 43,586.46, 65,323.49 and 21,091.85

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Solution

The fourth proportional to 43,586.46, 65,323.49 and 21,091.85 is: 31,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.46 : 65,323.49 = 21,091.85 : x
  2. Step 2: Convert to fraction form
    43,586.46/65,323.49 = 21,091.85/x
  3. Step 3: Cross multiply
    43,586.46x = 65,323.49 × 21,091.85
  4. Step 4: Simplify right side
    43,586.46x = 1,377,793,252.56
  5. Step 5: Solve for x
    x = 1,377,793,252.56/43,586.46
  6. Step 6: Final answer
    x = 31,610.58

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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.