Home / 57,962.43-86,943.69-18,522.57

Finding the Fourth Proportional to 57,962.43, 86,943.69 and 18,522.57

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Solution

The fourth proportional to 57,962.43, 86,943.69 and 18,522.57 is: 27,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.43 : 86,943.69 = 18,522.57 : x
  2. Step 2: Convert to fraction form
    57,962.43/86,943.69 = 18,522.57/x
  3. Step 3: Cross multiply
    57,962.43x = 86,943.69 × 18,522.57
  4. Step 4: Simplify right side
    57,962.43x = 1,610,420,584.08
  5. Step 5: Solve for x
    x = 1,610,420,584.08/57,962.43
  6. Step 6: Final answer
    x = 27,783.87

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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.