Home / 30,423.59-41,679.57-29,286.48

Finding the Fourth Proportional to 30,423.59, 41,679.57 and 29,286.48

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Solution

The fourth proportional to 30,423.59, 41,679.57 and 29,286.48 is: 40,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.59 : 41,679.57 = 29,286.48 : x
  2. Step 2: Convert to fraction form
    30,423.59/41,679.57 = 29,286.48/x
  3. Step 3: Cross multiply
    30,423.59x = 41,679.57 × 29,286.48
  4. Step 4: Simplify right side
    30,423.59x = 1,220,647,893.21
  5. Step 5: Solve for x
    x = 1,220,647,893.21/30,423.59
  6. Step 6: Final answer
    x = 40,121.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.