Home / 29,105.36-40,155.40-17,771.84

Finding the Fourth Proportional to 29,105.36, 40,155.40 and 17,771.84

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Solution

The fourth proportional to 29,105.36, 40,155.40 and 17,771.84 is: 24,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.36 : 40,155.40 = 17,771.84 : x
  2. Step 2: Convert to fraction form
    29,105.36/40,155.40 = 17,771.84/x
  3. Step 3: Cross multiply
    29,105.36x = 40,155.40 × 17,771.84
  4. Step 4: Simplify right side
    29,105.36x = 713,635,343.94
  5. Step 5: Solve for x
    x = 713,635,343.94/29,105.36
  6. Step 6: Final answer
    x = 24,519.04

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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.