Home / 61,971.12-85,517.82-33,676.20

Finding the Fourth Proportional to 61,971.12, 85,517.82 and 33,676.20

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Solution

The fourth proportional to 61,971.12, 85,517.82 and 33,676.20 is: 46,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,971.12 : 85,517.82 = 33,676.20 : x
  2. Step 2: Convert to fraction form
    61,971.12/85,517.82 = 33,676.20/x
  3. Step 3: Cross multiply
    61,971.12x = 85,517.82 × 33,676.20
  4. Step 4: Simplify right side
    61,971.12x = 2,879,915,209.88
  5. Step 5: Solve for x
    x = 2,879,915,209.88/61,971.12
  6. Step 6: Final answer
    x = 46,471.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.