Home / 34,105.11-47,072.31-22,920.63

Finding the Fourth Proportional to 34,105.11, 47,072.31 and 22,920.63

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Solution

The fourth proportional to 34,105.11, 47,072.31 and 22,920.63 is: 31,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,105.11 : 47,072.31 = 22,920.63 : x
  2. Step 2: Convert to fraction form
    34,105.11/47,072.31 = 22,920.63/x
  3. Step 3: Cross multiply
    34,105.11x = 47,072.31 × 22,920.63
  4. Step 4: Simplify right side
    34,105.11x = 1,078,926,650.79
  5. Step 5: Solve for x
    x = 1,078,926,650.79/34,105.11
  6. Step 6: Final answer
    x = 31,635.34

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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.