Home / 29,161.55-40,244.25-16,419.12

Finding the Fourth Proportional to 29,161.55, 40,244.25 and 16,419.12

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Solution

The fourth proportional to 29,161.55, 40,244.25 and 16,419.12 is: 22,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161.55 : 40,244.25 = 16,419.12 : x
  2. Step 2: Convert to fraction form
    29,161.55/40,244.25 = 16,419.12/x
  3. Step 3: Cross multiply
    29,161.55x = 40,244.25 × 16,419.12
  4. Step 4: Simplify right side
    29,161.55x = 660,775,170.06
  5. Step 5: Solve for x
    x = 660,775,170.06/29,161.55
  6. Step 6: Final answer
    x = 22,659.12

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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.