Home / 40,266.28-55,564.84-22,361.28

Finding the Fourth Proportional to 40,266.28, 55,564.84 and 22,361.28

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Solution

The fourth proportional to 40,266.28, 55,564.84 and 22,361.28 is: 30,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.28 : 55,564.84 = 22,361.28 : x
  2. Step 2: Convert to fraction form
    40,266.28/55,564.84 = 22,361.28/x
  3. Step 3: Cross multiply
    40,266.28x = 55,564.84 × 22,361.28
  4. Step 4: Simplify right side
    40,266.28x = 1,242,500,945.40
  5. Step 5: Solve for x
    x = 1,242,500,945.40/40,266.28
  6. Step 6: Final answer
    x = 30,857.11

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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.