Home / 61,201.68-91,747.11-21,749.56

Finding the Fourth Proportional to 61,201.68, 91,747.11 and 21,749.56

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Solution

The fourth proportional to 61,201.68, 91,747.11 and 21,749.56 is: 32,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,201.68 : 91,747.11 = 21,749.56 : x
  2. Step 2: Convert to fraction form
    61,201.68/91,747.11 = 21,749.56/x
  3. Step 3: Cross multiply
    61,201.68x = 91,747.11 × 21,749.56
  4. Step 4: Simplify right side
    61,201.68x = 1,995,459,273.77
  5. Step 5: Solve for x
    x = 1,995,459,273.77/61,201.68
  6. Step 6: Final answer
    x = 32,604.65

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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.