Home / 33,000.10-49,390.80-30,375.70

Finding the Fourth Proportional to 33,000.10, 49,390.80 and 30,375.70

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Solution

The fourth proportional to 33,000.10, 49,390.80 and 30,375.70 is: 45,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.10 : 49,390.80 = 30,375.70 : x
  2. Step 2: Convert to fraction form
    33,000.10/49,390.80 = 30,375.70/x
  3. Step 3: Cross multiply
    33,000.10x = 49,390.80 × 30,375.70
  4. Step 4: Simplify right side
    33,000.10x = 1,500,280,123.56
  5. Step 5: Solve for x
    x = 1,500,280,123.56/33,000.10
  6. Step 6: Final answer
    x = 45,462.90

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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.