Home / 43,868.80-65,749.20-29,828.80

Finding the Fourth Proportional to 43,868.80, 65,749.20 and 29,828.80

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Solution

The fourth proportional to 43,868.80, 65,749.20 and 29,828.80 is: 44,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,868.80 : 65,749.20 = 29,828.80 : x
  2. Step 2: Convert to fraction form
    43,868.80/65,749.20 = 29,828.80/x
  3. Step 3: Cross multiply
    43,868.80x = 65,749.20 × 29,828.80
  4. Step 4: Simplify right side
    43,868.80x = 1,961,219,736.96
  5. Step 5: Solve for x
    x = 1,961,219,736.96/43,868.80
  6. Step 6: Final answer
    x = 44,706.48

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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.