Home / 34,087.91-47,042.10-18,981.59

Finding the Fourth Proportional to 34,087.91, 47,042.10 and 18,981.59

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Solution

The fourth proportional to 34,087.91, 47,042.10 and 18,981.59 is: 26,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.91 : 47,042.10 = 18,981.59 : x
  2. Step 2: Convert to fraction form
    34,087.91/47,042.10 = 18,981.59/x
  3. Step 3: Cross multiply
    34,087.91x = 47,042.10 × 18,981.59
  4. Step 4: Simplify right side
    34,087.91x = 892,933,619.73
  5. Step 5: Solve for x
    x = 892,933,619.73/34,087.91
  6. Step 6: Final answer
    x = 26,195.03

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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.