Home / 34,270.82-47,299.20-20,120.93

Finding the Fourth Proportional to 34,270.82, 47,299.20 and 20,120.93

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Solution

The fourth proportional to 34,270.82, 47,299.20 and 20,120.93 is: 27,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.82 : 47,299.20 = 20,120.93 : x
  2. Step 2: Convert to fraction form
    34,270.82/47,299.20 = 20,120.93/x
  3. Step 3: Cross multiply
    34,270.82x = 47,299.20 × 20,120.93
  4. Step 4: Simplify right side
    34,270.82x = 951,703,655.76
  5. Step 5: Solve for x
    x = 951,703,655.76/34,270.82
  6. Step 6: Final answer
    x = 27,770.09

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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.