Home / 38,986.11-58,473.50-12,687.84

Finding the Fourth Proportional to 38,986.11, 58,473.50 and 12,687.84

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Solution

The fourth proportional to 38,986.11, 58,473.50 and 12,687.84 is: 19,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.11 : 58,473.50 = 12,687.84 : x
  2. Step 2: Convert to fraction form
    38,986.11/58,473.50 = 12,687.84/x
  3. Step 3: Cross multiply
    38,986.11x = 58,473.50 × 12,687.84
  4. Step 4: Simplify right side
    38,986.11x = 741,902,348.80
  5. Step 5: Solve for x
    x = 741,902,348.80/38,986.11
  6. Step 6: Final answer
    x = 19,029.91

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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.