Home / 40,941.86-61,410.87-15,986.48

Finding the Fourth Proportional to 40,941.86, 61,410.87 and 15,986.48

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Solution

The fourth proportional to 40,941.86, 61,410.87 and 15,986.48 is: 23,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,941.86 : 61,410.87 = 15,986.48 : x
  2. Step 2: Convert to fraction form
    40,941.86/61,410.87 = 15,986.48/x
  3. Step 3: Cross multiply
    40,941.86x = 61,410.87 × 15,986.48
  4. Step 4: Simplify right side
    40,941.86x = 981,743,337.98
  5. Step 5: Solve for x
    x = 981,743,337.98/40,941.86
  6. Step 6: Final answer
    x = 23,978.97

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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.