Home / 40,829.52-61,243.74-19,771.44

Finding the Fourth Proportional to 40,829.52, 61,243.74 and 19,771.44

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Solution

The fourth proportional to 40,829.52, 61,243.74 and 19,771.44 is: 29,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.52 : 61,243.74 = 19,771.44 : x
  2. Step 2: Convert to fraction form
    40,829.52/61,243.74 = 19,771.44/x
  3. Step 3: Cross multiply
    40,829.52x = 61,243.74 × 19,771.44
  4. Step 4: Simplify right side
    40,829.52x = 1,210,876,930.79
  5. Step 5: Solve for x
    x = 1,210,876,930.79/40,829.52
  6. Step 6: Final answer
    x = 29,656.90

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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.