Home / 40,791.56-61,218.53-19,743.98

Finding the Fourth Proportional to 40,791.56, 61,218.53 and 19,743.98

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Solution

The fourth proportional to 40,791.56, 61,218.53 and 19,743.98 is: 29,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791.56 : 61,218.53 = 19,743.98 : x
  2. Step 2: Convert to fraction form
    40,791.56/61,218.53 = 19,743.98/x
  3. Step 3: Cross multiply
    40,791.56x = 61,218.53 × 19,743.98
  4. Step 4: Simplify right side
    40,791.56x = 1,208,697,027.14
  5. Step 5: Solve for x
    x = 1,208,697,027.14/40,791.56
  6. Step 6: Final answer
    x = 29,631.06

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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.