Home / 39,253.98-54,169.97-21,348.60

Finding the Fourth Proportional to 39,253.98, 54,169.97 and 21,348.60

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Solution

The fourth proportional to 39,253.98, 54,169.97 and 21,348.60 is: 29,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253.98 : 54,169.97 = 21,348.60 : x
  2. Step 2: Convert to fraction form
    39,253.98/54,169.97 = 21,348.60/x
  3. Step 3: Cross multiply
    39,253.98x = 54,169.97 × 21,348.60
  4. Step 4: Simplify right side
    39,253.98x = 1,156,453,021.54
  5. Step 5: Solve for x
    x = 1,156,453,021.54/39,253.98
  6. Step 6: Final answer
    x = 29,460.78

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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.