Home / 45,406.38-68,121.09-14,241.90

Finding the Fourth Proportional to 45,406.38, 68,121.09 and 14,241.90

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Solution

The fourth proportional to 45,406.38, 68,121.09 and 14,241.90 is: 21,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,406.38 : 68,121.09 = 14,241.90 : x
  2. Step 2: Convert to fraction form
    45,406.38/68,121.09 = 14,241.90/x
  3. Step 3: Cross multiply
    45,406.38x = 68,121.09 × 14,241.90
  4. Step 4: Simplify right side
    45,406.38x = 970,173,751.67
  5. Step 5: Solve for x
    x = 970,173,751.67/45,406.38
  6. Step 6: Final answer
    x = 21,366.46

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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.