Home / 40,961.44-61,461.96-19,919.44

Finding the Fourth Proportional to 40,961.44, 61,461.96 and 19,919.44

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Solution

The fourth proportional to 40,961.44, 61,461.96 and 19,919.44 is: 29,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,961.44 : 61,461.96 = 19,919.44 : x
  2. Step 2: Convert to fraction form
    40,961.44/61,461.96 = 19,919.44/x
  3. Step 3: Cross multiply
    40,961.44x = 61,461.96 × 19,919.44
  4. Step 4: Simplify right side
    40,961.44x = 1,224,287,824.50
  5. Step 5: Solve for x
    x = 1,224,287,824.50/40,961.44
  6. Step 6: Final answer
    x = 29,888.79

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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.