Home / 34,908.20-48,171.90-18,992.71

Finding the Fourth Proportional to 34,908.20, 48,171.90 and 18,992.71

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Solution

The fourth proportional to 34,908.20, 48,171.90 and 18,992.71 is: 26,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,908.20 : 48,171.90 = 18,992.71 : x
  2. Step 2: Convert to fraction form
    34,908.20/48,171.90 = 18,992.71/x
  3. Step 3: Cross multiply
    34,908.20x = 48,171.90 × 18,992.71
  4. Step 4: Simplify right side
    34,908.20x = 914,914,926.85
  5. Step 5: Solve for x
    x = 914,914,926.85/34,908.20
  6. Step 6: Final answer
    x = 26,209.17

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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.