Home / 29,161.92-40,243.08-16,415.04

Finding the Fourth Proportional to 29,161.92, 40,243.08 and 16,415.04

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Solution

The fourth proportional to 29,161.92, 40,243.08 and 16,415.04 is: 22,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161.92 : 40,243.08 = 16,415.04 : x
  2. Step 2: Convert to fraction form
    29,161.92/40,243.08 = 16,415.04/x
  3. Step 3: Cross multiply
    29,161.92x = 40,243.08 × 16,415.04
  4. Step 4: Simplify right side
    29,161.92x = 660,591,767.92
  5. Step 5: Solve for x
    x = 660,591,767.92/29,161.92
  6. Step 6: Final answer
    x = 22,652.55

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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.