Home / 38,226.31-57,314.14-18,238.88

Finding the Fourth Proportional to 38,226.31, 57,314.14 and 18,238.88

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Solution

The fourth proportional to 38,226.31, 57,314.14 and 18,238.88 is: 27,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.31 : 57,314.14 = 18,238.88 : x
  2. Step 2: Convert to fraction form
    38,226.31/57,314.14 = 18,238.88/x
  3. Step 3: Cross multiply
    38,226.31x = 57,314.14 × 18,238.88
  4. Step 4: Simplify right side
    38,226.31x = 1,045,345,819.45
  5. Step 5: Solve for x
    x = 1,045,345,819.45/38,226.31
  6. Step 6: Final answer
    x = 27,346.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.