Home / 50,789.35-70,089.50-28,127.85

Finding the Fourth Proportional to 50,789.35, 70,089.50 and 28,127.85

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Solution

The fourth proportional to 50,789.35, 70,089.50 and 28,127.85 is: 38,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,789.35 : 70,089.50 = 28,127.85 : x
  2. Step 2: Convert to fraction form
    50,789.35/70,089.50 = 28,127.85/x
  3. Step 3: Cross multiply
    50,789.35x = 70,089.50 × 28,127.85
  4. Step 4: Simplify right side
    50,789.35x = 1,971,466,942.58
  5. Step 5: Solve for x
    x = 1,971,466,942.58/50,789.35
  6. Step 6: Final answer
    x = 38,816.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.