Home / 40,791.60-61,109.40-27,579.12

Finding the Fourth Proportional to 40,791.60, 61,109.40 and 27,579.12

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Solution

The fourth proportional to 40,791.60, 61,109.40 and 27,579.12 is: 41,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791.60 : 61,109.40 = 27,579.12 : x
  2. Step 2: Convert to fraction form
    40,791.60/61,109.40 = 27,579.12/x
  3. Step 3: Cross multiply
    40,791.60x = 61,109.40 × 27,579.12
  4. Step 4: Simplify right side
    40,791.60x = 1,685,343,475.73
  5. Step 5: Solve for x
    x = 1,685,343,475.73/40,791.60
  6. Step 6: Final answer
    x = 41,315.94

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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.