Home / 34,193.78-47,187.06-20,043.89

Finding the Fourth Proportional to 34,193.78, 47,187.06 and 20,043.89

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Solution

The fourth proportional to 34,193.78, 47,187.06 and 20,043.89 is: 27,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,193.78 : 47,187.06 = 20,043.89 : x
  2. Step 2: Convert to fraction form
    34,193.78/47,187.06 = 20,043.89/x
  3. Step 3: Cross multiply
    34,193.78x = 47,187.06 × 20,043.89
  4. Step 4: Simplify right side
    34,193.78x = 945,812,240.06
  5. Step 5: Solve for x
    x = 945,812,240.06/34,193.78
  6. Step 6: Final answer
    x = 27,660.36

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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.