Home / 39,372.39-54,331.88-21,467.43

Finding the Fourth Proportional to 39,372.39, 54,331.88 and 21,467.43

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Solution

The fourth proportional to 39,372.39, 54,331.88 and 21,467.43 is: 29,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.39 : 54,331.88 = 21,467.43 : x
  2. Step 2: Convert to fraction form
    39,372.39/54,331.88 = 21,467.43/x
  3. Step 3: Cross multiply
    39,372.39x = 54,331.88 × 21,467.43
  4. Step 4: Simplify right side
    39,372.39x = 1,166,365,723.33
  5. Step 5: Solve for x
    x = 1,166,365,723.33/39,372.39
  6. Step 6: Final answer
    x = 29,623.95

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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.