Home / 38,964.14-58,431.78-13,997.41

Finding the Fourth Proportional to 38,964.14, 58,431.78 and 13,997.41

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Solution

The fourth proportional to 38,964.14, 58,431.78 and 13,997.41 is: 20,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964.14 : 58,431.78 = 13,997.41 : x
  2. Step 2: Convert to fraction form
    38,964.14/58,431.78 = 13,997.41/x
  3. Step 3: Cross multiply
    38,964.14x = 58,431.78 × 13,997.41
  4. Step 4: Simplify right side
    38,964.14x = 817,893,435.61
  5. Step 5: Solve for x
    x = 817,893,435.61/38,964.14
  6. Step 6: Final answer
    x = 20,990.93

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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.