Home / 43,588.78-65,373.44-20,212.18

Finding the Fourth Proportional to 43,588.78, 65,373.44 and 20,212.18

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Solution

The fourth proportional to 43,588.78, 65,373.44 and 20,212.18 is: 30,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,588.78 : 65,373.44 = 20,212.18 : x
  2. Step 2: Convert to fraction form
    43,588.78/65,373.44 = 20,212.18/x
  3. Step 3: Cross multiply
    43,588.78x = 65,373.44 × 20,212.18
  4. Step 4: Simplify right side
    43,588.78x = 1,321,339,736.50
  5. Step 5: Solve for x
    x = 1,321,339,736.50/43,588.78
  6. Step 6: Final answer
    x = 30,313.76

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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.