Home / 30,941.14-42,698.81-16,793.98

Finding the Fourth Proportional to 30,941.14, 42,698.81 and 16,793.98

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Solution

The fourth proportional to 30,941.14, 42,698.81 and 16,793.98 is: 23,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.14 : 42,698.81 = 16,793.98 : x
  2. Step 2: Convert to fraction form
    30,941.14/42,698.81 = 16,793.98/x
  3. Step 3: Cross multiply
    30,941.14x = 42,698.81 × 16,793.98
  4. Step 4: Simplify right side
    30,941.14x = 717,082,961.16
  5. Step 5: Solve for x
    x = 717,082,961.16/30,941.14
  6. Step 6: Final answer
    x = 23,175.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.