Home / 40,161.41-55,422.89-22,256.72

Finding the Fourth Proportional to 40,161.41, 55,422.89 and 22,256.72

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Solution

The fourth proportional to 40,161.41, 55,422.89 and 22,256.72 is: 30,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.41 : 55,422.89 = 22,256.72 : x
  2. Step 2: Convert to fraction form
    40,161.41/55,422.89 = 22,256.72/x
  3. Step 3: Cross multiply
    40,161.41x = 55,422.89 × 22,256.72
  4. Step 4: Simplify right side
    40,161.41x = 1,233,531,744.32
  5. Step 5: Solve for x
    x = 1,233,531,744.32/40,161.41
  6. Step 6: Final answer
    x = 30,714.35

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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.