Home / 34,236.50-47,244.72-19,128.92

Finding the Fourth Proportional to 34,236.50, 47,244.72 and 19,128.92

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Solution

The fourth proportional to 34,236.50, 47,244.72 and 19,128.92 is: 26,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,236.50 : 47,244.72 = 19,128.92 : x
  2. Step 2: Convert to fraction form
    34,236.50/47,244.72 = 19,128.92/x
  3. Step 3: Cross multiply
    34,236.50x = 47,244.72 × 19,128.92
  4. Step 4: Simplify right side
    34,236.50x = 903,740,469.30
  5. Step 5: Solve for x
    x = 903,740,469.30/34,236.50
  6. Step 6: Final answer
    x = 26,396.99

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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.