Home / 31,250.88-43,126.02-16,910.64

Finding the Fourth Proportional to 31,250.88, 43,126.02 and 16,910.64

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Solution

The fourth proportional to 31,250.88, 43,126.02 and 16,910.64 is: 23,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.88 : 43,126.02 = 16,910.64 : x
  2. Step 2: Convert to fraction form
    31,250.88/43,126.02 = 16,910.64/x
  3. Step 3: Cross multiply
    31,250.88x = 43,126.02 × 16,910.64
  4. Step 4: Simplify right side
    31,250.88x = 729,288,598.85
  5. Step 5: Solve for x
    x = 729,288,598.85/31,250.88
  6. Step 6: Final answer
    x = 23,336.58

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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.