Home / 34,261.53-47,295.49-20,837.09

Finding the Fourth Proportional to 34,261.53, 47,295.49 and 20,837.09

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Solution

The fourth proportional to 34,261.53, 47,295.49 and 20,837.09 is: 28,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,261.53 : 47,295.49 = 20,837.09 : x
  2. Step 2: Convert to fraction form
    34,261.53/47,295.49 = 20,837.09/x
  3. Step 3: Cross multiply
    34,261.53x = 47,295.49 × 20,837.09
  4. Step 4: Simplify right side
    34,261.53x = 985,500,447.87
  5. Step 5: Solve for x
    x = 985,500,447.87/34,261.53
  6. Step 6: Final answer
    x = 28,764.05

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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.