Home / 30,245.04-45,367.46-7,755.70

Finding the Fourth Proportional to 30,245.04, 45,367.46 and 7,755.70

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Solution

The fourth proportional to 30,245.04, 45,367.46 and 7,755.70 is: 11,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.04 : 45,367.46 = 7,755.70 : x
  2. Step 2: Convert to fraction form
    30,245.04/45,367.46 = 7,755.70/x
  3. Step 3: Cross multiply
    30,245.04x = 45,367.46 × 7,755.70
  4. Step 4: Simplify right side
    30,245.04x = 351,856,315.49
  5. Step 5: Solve for x
    x = 351,856,315.49/30,245.04
  6. Step 6: Final answer
    x = 11,633.52

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Similar ratio
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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.