Home / 43,781.68-65,688.03-21,610.60

Finding the Fourth Proportional to 43,781.68, 65,688.03 and 21,610.60

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Solution

The fourth proportional to 43,781.68, 65,688.03 and 21,610.60 is: 32,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.68 : 65,688.03 = 21,610.60 : x
  2. Step 2: Convert to fraction form
    43,781.68/65,688.03 = 21,610.60/x
  3. Step 3: Cross multiply
    43,781.68x = 65,688.03 × 21,610.60
  4. Step 4: Simplify right side
    43,781.68x = 1,419,557,741.12
  5. Step 5: Solve for x
    x = 1,419,557,741.12/43,781.68
  6. Step 6: Final answer
    x = 32,423.56

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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.