Home / 55,223.97-82,836.15-21,941.88

Finding the Fourth Proportional to 55,223.97, 82,836.15 and 21,941.88

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Solution

The fourth proportional to 55,223.97, 82,836.15 and 21,941.88 is: 32,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.97 : 82,836.15 = 21,941.88 : x
  2. Step 2: Convert to fraction form
    55,223.97/82,836.15 = 21,941.88/x
  3. Step 3: Cross multiply
    55,223.97x = 82,836.15 × 21,941.88
  4. Step 4: Simplify right side
    55,223.97x = 1,817,580,862.96
  5. Step 5: Solve for x
    x = 1,817,580,862.96/55,223.97
  6. Step 6: Final answer
    x = 32,912.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.