Home / 57,706.20-86,571.45-18,267.30

Finding the Fourth Proportional to 57,706.20, 86,571.45 and 18,267.30

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Solution

The fourth proportional to 57,706.20, 86,571.45 and 18,267.30 is: 27,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.20 : 86,571.45 = 18,267.30 : x
  2. Step 2: Convert to fraction form
    57,706.20/86,571.45 = 18,267.30/x
  3. Step 3: Cross multiply
    57,706.20x = 86,571.45 × 18,267.30
  4. Step 4: Simplify right side
    57,706.20x = 1,581,426,648.59
  5. Step 5: Solve for x
    x = 1,581,426,648.59/57,706.20
  6. Step 6: Final answer
    x = 27,404.80

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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.