Home / 34,425.50-47,499.87-20,273.18

Finding the Fourth Proportional to 34,425.50, 47,499.87 and 20,273.18

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Solution

The fourth proportional to 34,425.50, 47,499.87 and 20,273.18 is: 27,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,425.50 : 47,499.87 = 20,273.18 : x
  2. Step 2: Convert to fraction form
    34,425.50/47,499.87 = 20,273.18/x
  3. Step 3: Cross multiply
    34,425.50x = 47,499.87 × 20,273.18
  4. Step 4: Simplify right side
    34,425.50x = 962,973,414.49
  5. Step 5: Solve for x
    x = 962,973,414.49/34,425.50
  6. Step 6: Final answer
    x = 27,972.68

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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.