Home / 45,706.45-68,568.26-20,748.26

Finding the Fourth Proportional to 45,706.45, 68,568.26 and 20,748.26

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Solution

The fourth proportional to 45,706.45, 68,568.26 and 20,748.26 is: 31,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.45 : 68,568.26 = 20,748.26 : x
  2. Step 2: Convert to fraction form
    45,706.45/68,568.26 = 20,748.26/x
  3. Step 3: Cross multiply
    45,706.45x = 68,568.26 × 20,748.26
  4. Step 4: Simplify right side
    45,706.45x = 1,422,672,086.23
  5. Step 5: Solve for x
    x = 1,422,672,086.23/45,706.45
  6. Step 6: Final answer
    x = 31,126.29

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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.