Home / 34,771.20-52,135.20-19,972.80

Finding the Fourth Proportional to 34,771.20, 52,135.20 and 19,972.80

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Solution

The fourth proportional to 34,771.20, 52,135.20 and 19,972.80 is: 29,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.20 : 52,135.20 = 19,972.80 : x
  2. Step 2: Convert to fraction form
    34,771.20/52,135.20 = 19,972.80/x
  3. Step 3: Cross multiply
    34,771.20x = 52,135.20 × 19,972.80
  4. Step 4: Simplify right side
    34,771.20x = 1,041,285,922.56
  5. Step 5: Solve for x
    x = 1,041,285,922.56/34,771.20
  6. Step 6: Final answer
    x = 29,946.79

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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.