Home / 38,930.97-58,404.15-13,964.34

Finding the Fourth Proportional to 38,930.97, 58,404.15 and 13,964.34

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Solution

The fourth proportional to 38,930.97, 58,404.15 and 13,964.34 is: 20,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,930.97 : 58,404.15 = 13,964.34 : x
  2. Step 2: Convert to fraction form
    38,930.97/58,404.15 = 13,964.34/x
  3. Step 3: Cross multiply
    38,930.97x = 58,404.15 × 13,964.34
  4. Step 4: Simplify right side
    38,930.97x = 815,575,408.01
  5. Step 5: Solve for x
    x = 815,575,408.01/38,930.97
  6. Step 6: Final answer
    x = 20,949.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.