Home / 45,169.41-67,777.25-21,503.73

Finding the Fourth Proportional to 45,169.41, 67,777.25 and 21,503.73

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Solution

The fourth proportional to 45,169.41, 67,777.25 and 21,503.73 is: 32,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169.41 : 67,777.25 = 21,503.73 : x
  2. Step 2: Convert to fraction form
    45,169.41/67,777.25 = 21,503.73/x
  3. Step 3: Cross multiply
    45,169.41x = 67,777.25 × 21,503.73
  4. Step 4: Simplify right side
    45,169.41x = 1,457,463,576.62
  5. Step 5: Solve for x
    x = 1,457,463,576.62/45,169.41
  6. Step 6: Final answer
    x = 32,266.61

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1.5x scale

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.