Home / 43,408.48-65,112.68-20,022.16

Finding the Fourth Proportional to 43,408.48, 65,112.68 and 20,022.16

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Solution

The fourth proportional to 43,408.48, 65,112.68 and 20,022.16 is: 30,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,408.48 : 65,112.68 = 20,022.16 : x
  2. Step 2: Convert to fraction form
    43,408.48/65,112.68 = 20,022.16/x
  3. Step 3: Cross multiply
    43,408.48x = 65,112.68 × 20,022.16
  4. Step 4: Simplify right side
    43,408.48x = 1,303,696,496.99
  5. Step 5: Solve for x
    x = 1,303,696,496.99/43,408.48
  6. Step 6: Final answer
    x = 30,033.22

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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.