Home / 34,255.62-51,390.32-12,084.71

Finding the Fourth Proportional to 34,255.62, 51,390.32 and 12,084.71

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Solution

The fourth proportional to 34,255.62, 51,390.32 and 12,084.71 is: 18,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,255.62 : 51,390.32 = 12,084.71 : x
  2. Step 2: Convert to fraction form
    34,255.62/51,390.32 = 12,084.71/x
  3. Step 3: Cross multiply
    34,255.62x = 51,390.32 × 12,084.71
  4. Step 4: Simplify right side
    34,255.62x = 621,036,796.63
  5. Step 5: Solve for x
    x = 621,036,796.63/34,255.62
  6. Step 6: Final answer
    x = 18,129.49

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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.