Home / 40,240.89-55,529.82-22,335.90

Finding the Fourth Proportional to 40,240.89, 55,529.82 and 22,335.90

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Solution

The fourth proportional to 40,240.89, 55,529.82 and 22,335.90 is: 30,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240.89 : 55,529.82 = 22,335.90 : x
  2. Step 2: Convert to fraction form
    40,240.89/55,529.82 = 22,335.90/x
  3. Step 3: Cross multiply
    40,240.89x = 55,529.82 × 22,335.90
  4. Step 4: Simplify right side
    40,240.89x = 1,240,308,506.54
  5. Step 5: Solve for x
    x = 1,240,308,506.54/40,240.89
  6. Step 6: Final answer
    x = 30,822.09

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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.