Home / 57,677.66-86,515.97-18,234.79

Finding the Fourth Proportional to 57,677.66, 86,515.97 and 18,234.79

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Solution

The fourth proportional to 57,677.66, 86,515.97 and 18,234.79 is: 27,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.66 : 86,515.97 = 18,234.79 : x
  2. Step 2: Convert to fraction form
    57,677.66/86,515.97 = 18,234.79/x
  3. Step 3: Cross multiply
    57,677.66x = 86,515.97 × 18,234.79
  4. Step 4: Simplify right side
    57,677.66x = 1,577,600,390.99
  5. Step 5: Solve for x
    x = 1,577,600,390.99/57,677.66
  6. Step 6: Final answer
    x = 27,352.02

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1.5x scale

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.