Home / 38,226.22-52,750.38-21,231.56

Finding the Fourth Proportional to 38,226.22, 52,750.38 and 21,231.56

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Solution

The fourth proportional to 38,226.22, 52,750.38 and 21,231.56 is: 29,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.22 : 52,750.38 = 21,231.56 : x
  2. Step 2: Convert to fraction form
    38,226.22/52,750.38 = 21,231.56/x
  3. Step 3: Cross multiply
    38,226.22x = 52,750.38 × 21,231.56
  4. Step 4: Simplify right side
    38,226.22x = 1,119,972,857.99
  5. Step 5: Solve for x
    x = 1,119,972,857.99/38,226.22
  6. Step 6: Final answer
    x = 29,298.55

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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.