Home / 39,372.82-54,335.07-21,468.75

Finding the Fourth Proportional to 39,372.82, 54,335.07 and 21,468.75

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Solution

The fourth proportional to 39,372.82, 54,335.07 and 21,468.75 is: 29,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.82 : 54,335.07 = 21,468.75 : x
  2. Step 2: Convert to fraction form
    39,372.82/54,335.07 = 21,468.75/x
  3. Step 3: Cross multiply
    39,372.82x = 54,335.07 × 21,468.75
  4. Step 4: Simplify right side
    39,372.82x = 1,166,505,830.31
  5. Step 5: Solve for x
    x = 1,166,505,830.31/39,372.82
  6. Step 6: Final answer
    x = 29,627.19

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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.