Home / 34,263.53-47,298.25-20,839.09

Finding the Fourth Proportional to 34,263.53, 47,298.25 and 20,839.09

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Solution

The fourth proportional to 34,263.53, 47,298.25 and 20,839.09 is: 28,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,263.53 : 47,298.25 = 20,839.09 : x
  2. Step 2: Convert to fraction form
    34,263.53/47,298.25 = 20,839.09/x
  3. Step 3: Cross multiply
    34,263.53x = 47,298.25 × 20,839.09
  4. Step 4: Simplify right side
    34,263.53x = 985,652,488.59
  5. Step 5: Solve for x
    x = 985,652,488.59/34,263.53
  6. Step 6: Final answer
    x = 28,766.81

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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.