Home / 34,255.14-47,278.11-19,919.41

Finding the Fourth Proportional to 34,255.14, 47,278.11 and 19,919.41

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Solution

The fourth proportional to 34,255.14, 47,278.11 and 19,919.41 is: 27,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,255.14 : 47,278.11 = 19,919.41 : x
  2. Step 2: Convert to fraction form
    34,255.14/47,278.11 = 19,919.41/x
  3. Step 3: Cross multiply
    34,255.14x = 47,278.11 × 19,919.41
  4. Step 4: Simplify right side
    34,255.14x = 941,752,190.91
  5. Step 5: Solve for x
    x = 941,752,190.91/34,255.14
  6. Step 6: Final answer
    x = 27,492.29

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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.