Home / 61,938.35-92,921.37-19,820.96

Finding the Fourth Proportional to 61,938.35, 92,921.37 and 19,820.96

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Solution

The fourth proportional to 61,938.35, 92,921.37 and 19,820.96 is: 29,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.35 : 92,921.37 = 19,820.96 : x
  2. Step 2: Convert to fraction form
    61,938.35/92,921.37 = 19,820.96/x
  3. Step 3: Cross multiply
    61,938.35x = 92,921.37 × 19,820.96
  4. Step 4: Simplify right side
    61,938.35x = 1,841,790,757.92
  5. Step 5: Solve for x
    x = 1,841,790,757.92/61,938.35
  6. Step 6: Final answer
    x = 29,735.87

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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.