Home / 40,161.64-55,423.78-23,404.20

Finding the Fourth Proportional to 40,161.64, 55,423.78 and 23,404.20

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Solution

The fourth proportional to 40,161.64, 55,423.78 and 23,404.20 is: 32,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.64 : 55,423.78 = 23,404.20 : x
  2. Step 2: Convert to fraction form
    40,161.64/55,423.78 = 23,404.20/x
  3. Step 3: Cross multiply
    40,161.64x = 55,423.78 × 23,404.20
  4. Step 4: Simplify right side
    40,161.64x = 1,297,149,231.88
  5. Step 5: Solve for x
    x = 1,297,149,231.88/40,161.64
  6. Step 6: Final answer
    x = 32,298.21

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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.