Home / 34,154.10-47,101.92-21,408.57

Finding the Fourth Proportional to 34,154.10, 47,101.92 and 21,408.57

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Solution

The fourth proportional to 34,154.10, 47,101.92 and 21,408.57 is: 29,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,154.10 : 47,101.92 = 21,408.57 : x
  2. Step 2: Convert to fraction form
    34,154.10/47,101.92 = 21,408.57/x
  3. Step 3: Cross multiply
    34,154.10x = 47,101.92 × 21,408.57
  4. Step 4: Simplify right side
    34,154.10x = 1,008,384,751.45
  5. Step 5: Solve for x
    x = 1,008,384,751.45/34,154.10
  6. Step 6: Final answer
    x = 29,524.56

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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.