Home / 34,453.45-47,550.16-21,021.85

Finding the Fourth Proportional to 34,453.45, 47,550.16 and 21,021.85

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Solution

The fourth proportional to 34,453.45, 47,550.16 and 21,021.85 is: 29,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,453.45 : 47,550.16 = 21,021.85 : x
  2. Step 2: Convert to fraction form
    34,453.45/47,550.16 = 21,021.85/x
  3. Step 3: Cross multiply
    34,453.45x = 47,550.16 × 21,021.85
  4. Step 4: Simplify right side
    34,453.45x = 999,592,609.57
  5. Step 5: Solve for x
    x = 999,592,609.57/34,453.45
  6. Step 6: Final answer
    x = 29,012.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.