Home / 45,408.38-68,124.10-14,243.90

Finding the Fourth Proportional to 45,408.38, 68,124.10 and 14,243.90

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Solution

The fourth proportional to 45,408.38, 68,124.10 and 14,243.90 is: 21,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.38 : 68,124.10 = 14,243.90 : x
  2. Step 2: Convert to fraction form
    45,408.38/68,124.10 = 14,243.90/x
  3. Step 3: Cross multiply
    45,408.38x = 68,124.10 × 14,243.90
  4. Step 4: Simplify right side
    45,408.38x = 970,352,867.99
  5. Step 5: Solve for x
    x = 970,352,867.99/45,408.38
  6. Step 6: Final answer
    x = 21,369.47

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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.