Home / 34,771.38-52,143.98-12,579.27

Finding the Fourth Proportional to 34,771.38, 52,143.98 and 12,579.27

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Solution

The fourth proportional to 34,771.38, 52,143.98 and 12,579.27 is: 18,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.38 : 52,143.98 = 12,579.27 : x
  2. Step 2: Convert to fraction form
    34,771.38/52,143.98 = 12,579.27/x
  3. Step 3: Cross multiply
    34,771.38x = 52,143.98 × 12,579.27
  4. Step 4: Simplify right side
    34,771.38x = 655,933,140.40
  5. Step 5: Solve for x
    x = 655,933,140.40/34,771.38
  6. Step 6: Final answer
    x = 18,864.17

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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.