Home / 50,708.80-76,125.60-31,988.80

Finding the Fourth Proportional to 50,708.80, 76,125.60 and 31,988.80

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Solution

The fourth proportional to 50,708.80, 76,125.60 and 31,988.80 is: 48,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.80 : 76,125.60 = 31,988.80 : x
  2. Step 2: Convert to fraction form
    50,708.80/76,125.60 = 31,988.80/x
  3. Step 3: Cross multiply
    50,708.80x = 76,125.60 × 31,988.80
  4. Step 4: Simplify right side
    50,708.80x = 2,435,166,593.28
  5. Step 5: Solve for x
    x = 2,435,166,593.28/50,708.80
  6. Step 6: Final answer
    x = 48,022.56

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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.