Home / 39,257.12-54,175.94-21,353.27

Finding the Fourth Proportional to 39,257.12, 54,175.94 and 21,353.27

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Solution

The fourth proportional to 39,257.12, 54,175.94 and 21,353.27 is: 29,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,257.12 : 54,175.94 = 21,353.27 : x
  2. Step 2: Convert to fraction form
    39,257.12/54,175.94 = 21,353.27/x
  3. Step 3: Cross multiply
    39,257.12x = 54,175.94 × 21,353.27
  4. Step 4: Simplify right side
    39,257.12x = 1,156,833,481.49
  5. Step 5: Solve for x
    x = 1,156,833,481.49/39,257.12
  6. Step 6: Final answer
    x = 29,468.12

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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.