Home / 34,185.77-47,163.21-21,416.73

Finding the Fourth Proportional to 34,185.77, 47,163.21 and 21,416.73

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Solution

The fourth proportional to 34,185.77, 47,163.21 and 21,416.73 is: 29,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,185.77 : 47,163.21 = 21,416.73 : x
  2. Step 2: Convert to fraction form
    34,185.77/47,163.21 = 21,416.73/x
  3. Step 3: Cross multiply
    34,185.77x = 47,163.21 × 21,416.73
  4. Step 4: Simplify right side
    34,185.77x = 1,010,081,734.50
  5. Step 5: Solve for x
    x = 1,010,081,734.50/34,185.77
  6. Step 6: Final answer
    x = 29,546.85

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1.5x scale

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.