Home / 38,226.21-52,750.38-21,231.55

Finding the Fourth Proportional to 38,226.21, 52,750.38 and 21,231.55

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Solution

The fourth proportional to 38,226.21, 52,750.38 and 21,231.55 is: 29,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.21 : 52,750.38 = 21,231.55 : x
  2. Step 2: Convert to fraction form
    38,226.21/52,750.38 = 21,231.55/x
  3. Step 3: Cross multiply
    38,226.21x = 52,750.38 × 21,231.55
  4. Step 4: Simplify right side
    38,226.21x = 1,119,972,330.49
  5. Step 5: Solve for x
    x = 1,119,972,330.49/38,226.21
  6. Step 6: Final answer
    x = 29,298.54

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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.