Home / 43,936.47-65,816.82-20,211.57

Finding the Fourth Proportional to 43,936.47, 65,816.82 and 20,211.57

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Solution

The fourth proportional to 43,936.47, 65,816.82 and 20,211.57 is: 30,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,936.47 : 65,816.82 = 20,211.57 : x
  2. Step 2: Convert to fraction form
    43,936.47/65,816.82 = 20,211.57/x
  3. Step 3: Cross multiply
    43,936.47x = 65,816.82 × 20,211.57
  4. Step 4: Simplify right side
    43,936.47x = 1,330,261,264.61
  5. Step 5: Solve for x
    x = 1,330,261,264.61/43,936.47
  6. Step 6: Final answer
    x = 30,276.93

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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.