Home / 40,213.97-55,495.35-22,308.98

Finding the Fourth Proportional to 40,213.97, 55,495.35 and 22,308.98

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Solution

The fourth proportional to 40,213.97, 55,495.35 and 22,308.98 is: 30,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.97 : 55,495.35 = 22,308.98 : x
  2. Step 2: Convert to fraction form
    40,213.97/55,495.35 = 22,308.98/x
  3. Step 3: Cross multiply
    40,213.97x = 55,495.35 × 22,308.98
  4. Step 4: Simplify right side
    40,213.97x = 1,238,044,648.91
  5. Step 5: Solve for x
    x = 1,238,044,648.91/40,213.97
  6. Step 6: Final answer
    x = 30,786.43

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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.