Home / 29,996.24-45,021.78-15,215.36

Finding the Fourth Proportional to 29,996.24, 45,021.78 and 15,215.36

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Solution

The fourth proportional to 29,996.24, 45,021.78 and 15,215.36 is: 22,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,996.24 : 45,021.78 = 15,215.36 : x
  2. Step 2: Convert to fraction form
    29,996.24/45,021.78 = 15,215.36/x
  3. Step 3: Cross multiply
    29,996.24x = 45,021.78 × 15,215.36
  4. Step 4: Simplify right side
    29,996.24x = 685,022,590.54
  5. Step 5: Solve for x
    x = 685,022,590.54/29,996.24
  6. Step 6: Final answer
    x = 22,836.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.