Home / 39,169.72-58,759.26-18,388.36

Finding the Fourth Proportional to 39,169.72, 58,759.26 and 18,388.36

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Solution

The fourth proportional to 39,169.72, 58,759.26 and 18,388.36 is: 27,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.72 : 58,759.26 = 18,388.36 : x
  2. Step 2: Convert to fraction form
    39,169.72/58,759.26 = 18,388.36/x
  3. Step 3: Cross multiply
    39,169.72x = 58,759.26 × 18,388.36
  4. Step 4: Simplify right side
    39,169.72x = 1,080,486,426.21
  5. Step 5: Solve for x
    x = 1,080,486,426.21/39,169.72
  6. Step 6: Final answer
    x = 27,584.74

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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.