Home / 40,160.91-55,422.20-22,256.22

Finding the Fourth Proportional to 40,160.91, 55,422.20 and 22,256.22

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Solution

The fourth proportional to 40,160.91, 55,422.20 and 22,256.22 is: 30,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.91 : 55,422.20 = 22,256.22 : x
  2. Step 2: Convert to fraction form
    40,160.91/55,422.20 = 22,256.22/x
  3. Step 3: Cross multiply
    40,160.91x = 55,422.20 × 22,256.22
  4. Step 4: Simplify right side
    40,160.91x = 1,233,488,676.08
  5. Step 5: Solve for x
    x = 1,233,488,676.08/40,160.91
  6. Step 6: Final answer
    x = 30,713.66

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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.