Home / 57,348.90-86,028.66-22,291.20

Finding the Fourth Proportional to 57,348.90, 86,028.66 and 22,291.20

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Solution

The fourth proportional to 57,348.90, 86,028.66 and 22,291.20 is: 33,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348.90 : 86,028.66 = 22,291.20 : x
  2. Step 2: Convert to fraction form
    57,348.90/86,028.66 = 22,291.20/x
  3. Step 3: Cross multiply
    57,348.90x = 86,028.66 × 22,291.20
  4. Step 4: Simplify right side
    57,348.90x = 1,917,682,065.79
  5. Step 5: Solve for x
    x = 1,917,682,065.79/57,348.90
  6. Step 6: Final answer
    x = 33,438.86

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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.