Home / 38,684.13-58,027.82-12,392.61

Finding the Fourth Proportional to 38,684.13, 58,027.82 and 12,392.61

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Solution

The fourth proportional to 38,684.13, 58,027.82 and 12,392.61 is: 18,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,684.13 : 58,027.82 = 12,392.61 : x
  2. Step 2: Convert to fraction form
    38,684.13/58,027.82 = 12,392.61/x
  3. Step 3: Cross multiply
    38,684.13x = 58,027.82 × 12,392.61
  4. Step 4: Simplify right side
    38,684.13x = 719,116,080.45
  5. Step 5: Solve for x
    x = 719,116,080.45/38,684.13
  6. Step 6: Final answer
    x = 18,589.43

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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.