Home / 38,744.10-58,121.37-12,456.90

Finding the Fourth Proportional to 38,744.10, 58,121.37 and 12,456.90

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Solution

The fourth proportional to 38,744.10, 58,121.37 and 12,456.90 is: 18,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,744.10 : 58,121.37 = 12,456.90 : x
  2. Step 2: Convert to fraction form
    38,744.10/58,121.37 = 12,456.90/x
  3. Step 3: Cross multiply
    38,744.10x = 58,121.37 × 12,456.90
  4. Step 4: Simplify right side
    38,744.10x = 724,012,093.95
  5. Step 5: Solve for x
    x = 724,012,093.95/38,744.10
  6. Step 6: Final answer
    x = 18,687.03

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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.