Home / 38,853.05-58,171.06-21,019.94

Finding the Fourth Proportional to 38,853.05, 58,171.06 and 21,019.94

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Solution

The fourth proportional to 38,853.05, 58,171.06 and 21,019.94 is: 31,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,853.05 : 58,171.06 = 21,019.94 : x
  2. Step 2: Convert to fraction form
    38,853.05/58,171.06 = 21,019.94/x
  3. Step 3: Cross multiply
    38,853.05x = 58,171.06 × 21,019.94
  4. Step 4: Simplify right side
    38,853.05x = 1,222,752,190.94
  5. Step 5: Solve for x
    x = 1,222,752,190.94/38,853.05
  6. Step 6: Final answer
    x = 31,471.20

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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.