Home / 39,131.83-54,000.97-22,363.75

Finding the Fourth Proportional to 39,131.83, 54,000.97 and 22,363.75

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Solution

The fourth proportional to 39,131.83, 54,000.97 and 22,363.75 is: 30,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.83 : 54,000.97 = 22,363.75 : x
  2. Step 2: Convert to fraction form
    39,131.83/54,000.97 = 22,363.75/x
  3. Step 3: Cross multiply
    39,131.83x = 54,000.97 × 22,363.75
  4. Step 4: Simplify right side
    39,131.83x = 1,207,664,192.84
  5. Step 5: Solve for x
    x = 1,207,664,192.84/39,131.83
  6. Step 6: Final answer
    x = 30,861.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.