Home / 40,171.96-60,180.18-30,918.52

Finding the Fourth Proportional to 40,171.96, 60,180.18 and 30,918.52

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Solution

The fourth proportional to 40,171.96, 60,180.18 and 30,918.52 is: 46,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.96 : 60,180.18 = 30,918.52 : x
  2. Step 2: Convert to fraction form
    40,171.96/60,180.18 = 30,918.52/x
  3. Step 3: Cross multiply
    40,171.96x = 60,180.18 × 30,918.52
  4. Step 4: Simplify right side
    40,171.96x = 1,860,682,098.93
  5. Step 5: Solve for x
    x = 1,860,682,098.93/40,171.96
  6. Step 6: Final answer
    x = 46,317.93

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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.