Home / 43,433.39-65,133.68-18,485.19

Finding the Fourth Proportional to 43,433.39, 65,133.68 and 18,485.19

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Solution

The fourth proportional to 43,433.39, 65,133.68 and 18,485.19 is: 27,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,433.39 : 65,133.68 = 18,485.19 : x
  2. Step 2: Convert to fraction form
    43,433.39/65,133.68 = 18,485.19/x
  3. Step 3: Cross multiply
    43,433.39x = 65,133.68 × 18,485.19
  4. Step 4: Simplify right side
    43,433.39x = 1,204,008,357.77
  5. Step 5: Solve for x
    x = 1,204,008,357.77/43,433.39
  6. Step 6: Final answer
    x = 27,720.80

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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.