Home / 54,958.83-82,446.45-19,890.29

Finding the Fourth Proportional to 54,958.83, 82,446.45 and 19,890.29

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Solution

The fourth proportional to 54,958.83, 82,446.45 and 19,890.29 is: 29,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.83 : 82,446.45 = 19,890.29 : x
  2. Step 2: Convert to fraction form
    54,958.83/82,446.45 = 19,890.29/x
  3. Step 3: Cross multiply
    54,958.83x = 82,446.45 × 19,890.29
  4. Step 4: Simplify right side
    54,958.83x = 1,639,883,799.97
  5. Step 5: Solve for x
    x = 1,639,883,799.97/54,958.83
  6. Step 6: Final answer
    x = 29,838.40

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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.