Home / 34,262.53-47,296.87-20,838.09

Finding the Fourth Proportional to 34,262.53, 47,296.87 and 20,838.09

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Solution

The fourth proportional to 34,262.53, 47,296.87 and 20,838.09 is: 28,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,262.53 : 47,296.87 = 20,838.09 : x
  2. Step 2: Convert to fraction form
    34,262.53/47,296.87 = 20,838.09/x
  3. Step 3: Cross multiply
    34,262.53x = 47,296.87 × 20,838.09
  4. Step 4: Simplify right side
    34,262.53x = 985,576,433.78
  5. Step 5: Solve for x
    x = 985,576,433.78/34,262.53
  6. Step 6: Final answer
    x = 28,765.43

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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.