Home / 43,438.84-65,169.90-18,480.04

Finding the Fourth Proportional to 43,438.84, 65,169.90 and 18,480.04

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Solution

The fourth proportional to 43,438.84, 65,169.90 and 18,480.04 is: 27,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,438.84 : 65,169.90 = 18,480.04 : x
  2. Step 2: Convert to fraction form
    43,438.84/65,169.90 = 18,480.04/x
  3. Step 3: Cross multiply
    43,438.84x = 65,169.90 × 18,480.04
  4. Step 4: Simplify right side
    43,438.84x = 1,204,342,358.80
  5. Step 5: Solve for x
    x = 1,204,342,358.80/43,438.84
  6. Step 6: Final answer
    x = 27,725.01

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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.