Home / 29,186.20-43,811.70-18,105.40

Finding the Fourth Proportional to 29,186.20, 43,811.70 and 18,105.40

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Solution

The fourth proportional to 29,186.20, 43,811.70 and 18,105.40 is: 27,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186.20 : 43,811.70 = 18,105.40 : x
  2. Step 2: Convert to fraction form
    29,186.20/43,811.70 = 18,105.40/x
  3. Step 3: Cross multiply
    29,186.20x = 43,811.70 × 18,105.40
  4. Step 4: Simplify right side
    29,186.20x = 793,228,353.18
  5. Step 5: Solve for x
    x = 793,228,353.18/29,186.20
  6. Step 6: Final answer
    x = 27,178.20

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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.