Home / 34,236.58-47,228.78-21,668.62

Finding the Fourth Proportional to 34,236.58, 47,228.78 and 21,668.62

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Solution

The fourth proportional to 34,236.58, 47,228.78 and 21,668.62 is: 29,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,236.58 : 47,228.78 = 21,668.62 : x
  2. Step 2: Convert to fraction form
    34,236.58/47,228.78 = 21,668.62/x
  3. Step 3: Cross multiply
    34,236.58x = 47,228.78 × 21,668.62
  4. Step 4: Simplify right side
    34,236.58x = 1,023,382,486.88
  5. Step 5: Solve for x
    x = 1,023,382,486.88/34,236.58
  6. Step 6: Final answer
    x = 29,891.49

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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.