Home / 34,128.20-51,182.28-11,937.44

Finding the Fourth Proportional to 34,128.20, 51,182.28 and 11,937.44

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Solution

The fourth proportional to 34,128.20, 51,182.28 and 11,937.44 is: 17,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.20 : 51,182.28 = 11,937.44 : x
  2. Step 2: Convert to fraction form
    34,128.20/51,182.28 = 11,937.44/x
  3. Step 3: Cross multiply
    34,128.20x = 51,182.28 × 11,937.44
  4. Step 4: Simplify right side
    34,128.20x = 610,985,524.52
  5. Step 5: Solve for x
    x = 610,985,524.52/34,128.20
  6. Step 6: Final answer
    x = 17,902.66

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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.