Home / 39,372.60-54,334.26-21,467.73

Finding the Fourth Proportional to 39,372.60, 54,334.26 and 21,467.73

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Solution

The fourth proportional to 39,372.60, 54,334.26 and 21,467.73 is: 29,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.60 : 54,334.26 = 21,467.73 : x
  2. Step 2: Convert to fraction form
    39,372.60/54,334.26 = 21,467.73/x
  3. Step 3: Cross multiply
    39,372.60x = 54,334.26 × 21,467.73
  4. Step 4: Simplify right side
    39,372.60x = 1,166,433,223.43
  5. Step 5: Solve for x
    x = 1,166,433,223.43/39,372.60
  6. Step 6: Final answer
    x = 29,625.51

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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.