Home / 39,226.73-54,134.31-21,764.52

Finding the Fourth Proportional to 39,226.73, 54,134.31 and 21,764.52

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Solution

The fourth proportional to 39,226.73, 54,134.31 and 21,764.52 is: 30,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.73 : 54,134.31 = 21,764.52 : x
  2. Step 2: Convert to fraction form
    39,226.73/54,134.31 = 21,764.52/x
  3. Step 3: Cross multiply
    39,226.73x = 54,134.31 × 21,764.52
  4. Step 4: Simplify right side
    39,226.73x = 1,178,207,272.68
  5. Step 5: Solve for x
    x = 1,178,207,272.68/39,226.73
  6. Step 6: Final answer
    x = 30,035.83

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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.