Home / 54,721.58-82,033.65-21,465.38

Finding the Fourth Proportional to 54,721.58, 82,033.65 and 21,465.38

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Solution

The fourth proportional to 54,721.58, 82,033.65 and 21,465.38 is: 32,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.58 : 82,033.65 = 21,465.38 : x
  2. Step 2: Convert to fraction form
    54,721.58/82,033.65 = 21,465.38/x
  3. Step 3: Cross multiply
    54,721.58x = 82,033.65 × 21,465.38
  4. Step 4: Simplify right side
    54,721.58x = 1,760,883,470.04
  5. Step 5: Solve for x
    x = 1,760,883,470.04/54,721.58
  6. Step 6: Final answer
    x = 32,178.96

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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.