Home / 34,373.50-47,428.23-20,227.90

Finding the Fourth Proportional to 34,373.50, 47,428.23 and 20,227.90

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Solution

The fourth proportional to 34,373.50, 47,428.23 and 20,227.90 is: 27,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,373.50 : 47,428.23 = 20,227.90 : x
  2. Step 2: Convert to fraction form
    34,373.50/47,428.23 = 20,227.90/x
  3. Step 3: Cross multiply
    34,373.50x = 47,428.23 × 20,227.90
  4. Step 4: Simplify right side
    34,373.50x = 959,373,493.62
  5. Step 5: Solve for x
    x = 959,373,493.62/34,373.50
  6. Step 6: Final answer
    x = 27,910.26

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1.5x scale

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.