Home / 33,257.12-45,900.68-19,829.20

Finding the Fourth Proportional to 33,257.12, 45,900.68 and 19,829.20

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Solution

The fourth proportional to 33,257.12, 45,900.68 and 19,829.20 is: 27,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,257.12 : 45,900.68 = 19,829.20 : x
  2. Step 2: Convert to fraction form
    33,257.12/45,900.68 = 19,829.20/x
  3. Step 3: Cross multiply
    33,257.12x = 45,900.68 × 19,829.20
  4. Step 4: Simplify right side
    33,257.12x = 910,173,763.86
  5. Step 5: Solve for x
    x = 910,173,763.86/33,257.12
  6. Step 6: Final answer
    x = 27,367.79

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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.