Home / 50,274.82-75,412.23-20,671.90

Finding the Fourth Proportional to 50,274.82, 75,412.23 and 20,671.90

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Solution

The fourth proportional to 50,274.82, 75,412.23 and 20,671.90 is: 31,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,274.82 : 75,412.23 = 20,671.90 : x
  2. Step 2: Convert to fraction form
    50,274.82/75,412.23 = 20,671.90/x
  3. Step 3: Cross multiply
    50,274.82x = 75,412.23 × 20,671.90
  4. Step 4: Simplify right side
    50,274.82x = 1,558,914,077.34
  5. Step 5: Solve for x
    x = 1,558,914,077.34/50,274.82
  6. Step 6: Final answer
    x = 31,007.85

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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.