Home / 54,979.11-82,470.21-19,435.41

Finding the Fourth Proportional to 54,979.11, 82,470.21 and 19,435.41

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Solution

The fourth proportional to 54,979.11, 82,470.21 and 19,435.41 is: 29,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.11 : 82,470.21 = 19,435.41 : x
  2. Step 2: Convert to fraction form
    54,979.11/82,470.21 = 19,435.41/x
  3. Step 3: Cross multiply
    54,979.11x = 82,470.21 × 19,435.41
  4. Step 4: Simplify right side
    54,979.11x = 1,602,842,344.14
  5. Step 5: Solve for x
    x = 1,602,842,344.14/54,979.11
  6. Step 6: Final answer
    x = 29,153.66

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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.