Home / 57,431.96-86,131.30-22,363.80

Finding the Fourth Proportional to 57,431.96, 86,131.30 and 22,363.80

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Solution

The fourth proportional to 57,431.96, 86,131.30 and 22,363.80 is: 33,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.96 : 86,131.30 = 22,363.80 : x
  2. Step 2: Convert to fraction form
    57,431.96/86,131.30 = 22,363.80/x
  3. Step 3: Cross multiply
    57,431.96x = 86,131.30 × 22,363.80
  4. Step 4: Simplify right side
    57,431.96x = 1,926,223,166.94
  5. Step 5: Solve for x
    x = 1,926,223,166.94/57,431.96
  6. Step 6: Final answer
    x = 33,539.22

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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.