Home / 33,354.20-49,964.10-20,835.80

Finding the Fourth Proportional to 33,354.20, 49,964.10 and 20,835.80

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Solution

The fourth proportional to 33,354.20, 49,964.10 and 20,835.80 is: 31,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,354.20 : 49,964.10 = 20,835.80 : x
  2. Step 2: Convert to fraction form
    33,354.20/49,964.10 = 20,835.80/x
  3. Step 3: Cross multiply
    33,354.20x = 49,964.10 × 20,835.80
  4. Step 4: Simplify right side
    33,354.20x = 1,041,041,994.78
  5. Step 5: Solve for x
    x = 1,041,041,994.78/33,354.20
  6. Step 6: Final answer
    x = 31,211.72

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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.