Home / 40,408.28-60,622.20-13,754

Finding the Fourth Proportional to 40,408.28, 60,622.20 and 13,754

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Solution

The fourth proportional to 40,408.28, 60,622.20 and 13,754 is: 20,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.28 : 60,622.20 = 13,754 : x
  2. Step 2: Convert to fraction form
    40,408.28/60,622.20 = 13,754/x
  3. Step 3: Cross multiply
    40,408.28x = 60,622.20 × 13,754
  4. Step 4: Simplify right side
    40,408.28x = 833,797,738.80
  5. Step 5: Solve for x
    x = 833,797,738.80/40,408.28
  6. Step 6: Final answer
    x = 20,634.33

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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.