Home / 30,217.26-41,700.56-16,789.08

Finding the Fourth Proportional to 30,217.26, 41,700.56 and 16,789.08

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Solution

The fourth proportional to 30,217.26, 41,700.56 and 16,789.08 is: 23,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.26 : 41,700.56 = 16,789.08 : x
  2. Step 2: Convert to fraction form
    30,217.26/41,700.56 = 16,789.08/x
  3. Step 3: Cross multiply
    30,217.26x = 41,700.56 × 16,789.08
  4. Step 4: Simplify right side
    30,217.26x = 700,114,037.88
  5. Step 5: Solve for x
    x = 700,114,037.88/30,217.26
  6. Step 6: Final answer
    x = 23,169.34

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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.