Home / 43,957.28-65,874.48-20,525.60

Finding the Fourth Proportional to 43,957.28, 65,874.48 and 20,525.60

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Solution

The fourth proportional to 43,957.28, 65,874.48 and 20,525.60 is: 30,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,957.28 : 65,874.48 = 20,525.60 : x
  2. Step 2: Convert to fraction form
    43,957.28/65,874.48 = 20,525.60/x
  3. Step 3: Cross multiply
    43,957.28x = 65,874.48 × 20,525.60
  4. Step 4: Simplify right side
    43,957.28x = 1,352,113,226.69
  5. Step 5: Solve for x
    x = 1,352,113,226.69/43,957.28
  6. Step 6: Final answer
    x = 30,759.71

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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.