Home / 43,082.23-64,610.79-16,780.72

Finding the Fourth Proportional to 43,082.23, 64,610.79 and 16,780.72

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Solution

The fourth proportional to 43,082.23, 64,610.79 and 16,780.72 is: 25,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,082.23 : 64,610.79 = 16,780.72 : x
  2. Step 2: Convert to fraction form
    43,082.23/64,610.79 = 16,780.72/x
  3. Step 3: Cross multiply
    43,082.23x = 64,610.79 × 16,780.72
  4. Step 4: Simplify right side
    43,082.23x = 1,084,215,575.97
  5. Step 5: Solve for x
    x = 1,084,215,575.97/43,082.23
  6. Step 6: Final answer
    x = 25,166.19

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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.