Home / 57,209.33-85,815.25-40,273.13

Finding the Fourth Proportional to 57,209.33, 85,815.25 and 40,273.13

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Solution

The fourth proportional to 57,209.33, 85,815.25 and 40,273.13 is: 60,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209.33 : 85,815.25 = 40,273.13 : x
  2. Step 2: Convert to fraction form
    57,209.33/85,815.25 = 40,273.13/x
  3. Step 3: Cross multiply
    57,209.33x = 85,815.25 × 40,273.13
  4. Step 4: Simplify right side
    57,209.33x = 3,456,048,833.09
  5. Step 5: Solve for x
    x = 3,456,048,833.09/57,209.33
  6. Step 6: Final answer
    x = 60,410.58

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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.