Home / 34,296.72-47,330.82-20,149.44

Finding the Fourth Proportional to 34,296.72, 47,330.82 and 20,149.44

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Solution

The fourth proportional to 34,296.72, 47,330.82 and 20,149.44 is: 27,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,296.72 : 47,330.82 = 20,149.44 : x
  2. Step 2: Convert to fraction form
    34,296.72/47,330.82 = 20,149.44/x
  3. Step 3: Cross multiply
    34,296.72x = 47,330.82 × 20,149.44
  4. Step 4: Simplify right side
    34,296.72x = 953,689,517.74
  5. Step 5: Solve for x
    x = 953,689,517.74/34,296.72
  6. Step 6: Final answer
    x = 27,807.02

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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.