Home / 30,195.46-45,272.53-15,375.70

Finding the Fourth Proportional to 30,195.46, 45,272.53 and 15,375.70

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Solution

The fourth proportional to 30,195.46, 45,272.53 and 15,375.70 is: 23,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.46 : 45,272.53 = 15,375.70 : x
  2. Step 2: Convert to fraction form
    30,195.46/45,272.53 = 15,375.70/x
  3. Step 3: Cross multiply
    30,195.46x = 45,272.53 × 15,375.70
  4. Step 4: Simplify right side
    30,195.46x = 696,096,839.52
  5. Step 5: Solve for x
    x = 696,096,839.52/30,195.46
  6. Step 6: Final answer
    x = 23,053.03

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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.