Home / 38,606.96-57,923.40-12,315.44

Finding the Fourth Proportional to 38,606.96, 57,923.40 and 12,315.44

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Solution

The fourth proportional to 38,606.96, 57,923.40 and 12,315.44 is: 18,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,606.96 : 57,923.40 = 12,315.44 : x
  2. Step 2: Convert to fraction form
    38,606.96/57,923.40 = 12,315.44/x
  3. Step 3: Cross multiply
    38,606.96x = 57,923.40 × 12,315.44
  4. Step 4: Simplify right side
    38,606.96x = 713,352,157.30
  5. Step 5: Solve for x
    x = 713,352,157.30/38,606.96
  6. Step 6: Final answer
    x = 18,477.29

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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.