Home / 34,279.20-51,418.80-22,469.40

Finding the Fourth Proportional to 34,279.20, 51,418.80 and 22,469.40

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Solution

The fourth proportional to 34,279.20, 51,418.80 and 22,469.40 is: 33,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.20 : 51,418.80 = 22,469.40 : x
  2. Step 2: Convert to fraction form
    34,279.20/51,418.80 = 22,469.40/x
  3. Step 3: Cross multiply
    34,279.20x = 51,418.80 × 22,469.40
  4. Step 4: Simplify right side
    34,279.20x = 1,155,349,584.72
  5. Step 5: Solve for x
    x = 1,155,349,584.72/34,279.20
  6. Step 6: Final answer
    x = 33,704.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.