Home / 50,628.80-76,005.60-31,908.80

Finding the Fourth Proportional to 50,628.80, 76,005.60 and 31,908.80

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Solution

The fourth proportional to 50,628.80, 76,005.60 and 31,908.80 is: 47,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,628.80 : 76,005.60 = 31,908.80 : x
  2. Step 2: Convert to fraction form
    50,628.80/76,005.60 = 31,908.80/x
  3. Step 3: Cross multiply
    50,628.80x = 76,005.60 × 31,908.80
  4. Step 4: Simplify right side
    50,628.80x = 2,425,247,489.28
  5. Step 5: Solve for x
    x = 2,425,247,489.28/50,628.80
  6. Step 6: Final answer
    x = 47,902.53

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1.5x scale

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.