Home / 43,877.54-65,733.42-21,665

Finding the Fourth Proportional to 43,877.54, 65,733.42 and 21,665

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Solution

The fourth proportional to 43,877.54, 65,733.42 and 21,665 is: 32,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,877.54 : 65,733.42 = 21,665 : x
  2. Step 2: Convert to fraction form
    43,877.54/65,733.42 = 21,665/x
  3. Step 3: Cross multiply
    43,877.54x = 65,733.42 × 21,665
  4. Step 4: Simplify right side
    43,877.54x = 1,424,114,544.30
  5. Step 5: Solve for x
    x = 1,424,114,544.30/43,877.54
  6. Step 6: Final answer
    x = 32,456.57

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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.