Home / 43,021.11-64,540.77-13,441.17

Finding the Fourth Proportional to 43,021.11, 64,540.77 and 13,441.17

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Solution

The fourth proportional to 43,021.11, 64,540.77 and 13,441.17 is: 20,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.11 : 64,540.77 = 13,441.17 : x
  2. Step 2: Convert to fraction form
    43,021.11/64,540.77 = 13,441.17/x
  3. Step 3: Cross multiply
    43,021.11x = 64,540.77 × 13,441.17
  4. Step 4: Simplify right side
    43,021.11x = 867,503,766.53
  5. Step 5: Solve for x
    x = 867,503,766.53/43,021.11
  6. Step 6: Final answer
    x = 20,164.61

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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.