Home / 43,992.64-65,930.56-38,121.76

Finding the Fourth Proportional to 43,992.64, 65,930.56 and 38,121.76

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Solution

The fourth proportional to 43,992.64, 65,930.56 and 38,121.76 is: 57,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,992.64 : 65,930.56 = 38,121.76 : x
  2. Step 2: Convert to fraction form
    43,992.64/65,930.56 = 38,121.76/x
  3. Step 3: Cross multiply
    43,992.64x = 65,930.56 × 38,121.76
  4. Step 4: Simplify right side
    43,992.64x = 2,513,388,984.99
  5. Step 5: Solve for x
    x = 2,513,388,984.99/43,992.64
  6. Step 6: Final answer
    x = 57,132.03

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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.