Home / 38,531.30-57,796.76-12,238.09

Finding the Fourth Proportional to 38,531.30, 57,796.76 and 12,238.09

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Solution

The fourth proportional to 38,531.30, 57,796.76 and 12,238.09 is: 18,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.30 : 57,796.76 = 12,238.09 : x
  2. Step 2: Convert to fraction form
    38,531.30/57,796.76 = 12,238.09/x
  3. Step 3: Cross multiply
    38,531.30x = 57,796.76 × 12,238.09
  4. Step 4: Simplify right side
    38,531.30x = 707,321,836.69
  5. Step 5: Solve for x
    x = 707,321,836.69/38,531.30
  6. Step 6: Final answer
    x = 18,357.07

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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.