Home / 43,489.81-65,238.70-13,504.22

Finding the Fourth Proportional to 43,489.81, 65,238.70 and 13,504.22

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Solution

The fourth proportional to 43,489.81, 65,238.70 and 13,504.22 is: 20,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489.81 : 65,238.70 = 13,504.22 : x
  2. Step 2: Convert to fraction form
    43,489.81/65,238.70 = 13,504.22/x
  3. Step 3: Cross multiply
    43,489.81x = 65,238.70 × 13,504.22
  4. Step 4: Simplify right side
    43,489.81x = 880,997,667.33
  5. Step 5: Solve for x
    x = 880,997,667.33/43,489.81
  6. Step 6: Final answer
    x = 20,257.56

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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.