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Finding the Fourth Proportional to 33,337.20, 50,005.80 and 20,182.80

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Solution

The fourth proportional to 33,337.20, 50,005.80 and 20,182.80 is: 30,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,337.20 : 50,005.80 = 20,182.80 : x
  2. Step 2: Convert to fraction form
    33,337.20/50,005.80 = 20,182.80/x
  3. Step 3: Cross multiply
    33,337.20x = 50,005.80 × 20,182.80
  4. Step 4: Simplify right side
    33,337.20x = 1,009,257,060.24
  5. Step 5: Solve for x
    x = 1,009,257,060.24/33,337.20
  6. Step 6: Final answer
    x = 30,274.20

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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.