Home / 57,737.28-86,567.52-20,796.48

Finding the Fourth Proportional to 57,737.28, 86,567.52 and 20,796.48

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Solution

The fourth proportional to 57,737.28, 86,567.52 and 20,796.48 is: 31,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737.28 : 86,567.52 = 20,796.48 : x
  2. Step 2: Convert to fraction form
    57,737.28/86,567.52 = 20,796.48/x
  3. Step 3: Cross multiply
    57,737.28x = 86,567.52 × 20,796.48
  4. Step 4: Simplify right side
    57,737.28x = 1,800,299,698.33
  5. Step 5: Solve for x
    x = 1,800,299,698.33/57,737.28
  6. Step 6: Final answer
    x = 31,180.89

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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.