Home / 43,781.34-65,687.52-21,610.28

Finding the Fourth Proportional to 43,781.34, 65,687.52 and 21,610.28

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Solution

The fourth proportional to 43,781.34, 65,687.52 and 21,610.28 is: 32,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.34 : 65,687.52 = 21,610.28 : x
  2. Step 2: Convert to fraction form
    43,781.34/65,687.52 = 21,610.28/x
  3. Step 3: Cross multiply
    43,781.34x = 65,687.52 × 21,610.28
  4. Step 4: Simplify right side
    43,781.34x = 1,419,525,575.47
  5. Step 5: Solve for x
    x = 1,419,525,575.47/43,781.34
  6. Step 6: Final answer
    x = 32,423.07

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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.