Home / 39,172.26-54,057.72-21,267.24

Finding the Fourth Proportional to 39,172.26, 54,057.72 and 21,267.24

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Solution

The fourth proportional to 39,172.26, 54,057.72 and 21,267.24 is: 29,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.26 : 54,057.72 = 21,267.24 : x
  2. Step 2: Convert to fraction form
    39,172.26/54,057.72 = 21,267.24/x
  3. Step 3: Cross multiply
    39,172.26x = 54,057.72 × 21,267.24
  4. Step 4: Simplify right side
    39,172.26x = 1,149,658,505.09
  5. Step 5: Solve for x
    x = 1,149,658,505.09/39,172.26
  6. Step 6: Final answer
    x = 29,348.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.