Home / 45,438.62-68,168.70-14,273.87

Finding the Fourth Proportional to 45,438.62, 68,168.70 and 14,273.87

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Solution

The fourth proportional to 45,438.62, 68,168.70 and 14,273.87 is: 21,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.62 : 68,168.70 = 14,273.87 : x
  2. Step 2: Convert to fraction form
    45,438.62/68,168.70 = 14,273.87/x
  3. Step 3: Cross multiply
    45,438.62x = 68,168.70 × 14,273.87
  4. Step 4: Simplify right side
    45,438.62x = 973,030,821.03
  5. Step 5: Solve for x
    x = 973,030,821.03/45,438.62
  6. Step 6: Final answer
    x = 21,414.18

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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.