Home / 34,279.92-51,420.52-12,092.84

Finding the Fourth Proportional to 34,279.92, 51,420.52 and 12,092.84

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Solution

The fourth proportional to 34,279.92, 51,420.52 and 12,092.84 is: 18,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.92 : 51,420.52 = 12,092.84 : x
  2. Step 2: Convert to fraction form
    34,279.92/51,420.52 = 12,092.84/x
  3. Step 3: Cross multiply
    34,279.92x = 51,420.52 × 12,092.84
  4. Step 4: Simplify right side
    34,279.92x = 621,820,121.08
  5. Step 5: Solve for x
    x = 621,820,121.08/34,279.92
  6. Step 6: Final answer
    x = 18,139.49

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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.