Home / 54,171.95-81,252.68-16,721.93

Finding the Fourth Proportional to 54,171.95, 81,252.68 and 16,721.93

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Solution

The fourth proportional to 54,171.95, 81,252.68 and 16,721.93 is: 25,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.95 : 81,252.68 = 16,721.93 : x
  2. Step 2: Convert to fraction form
    54,171.95/81,252.68 = 16,721.93/x
  3. Step 3: Cross multiply
    54,171.95x = 81,252.68 × 16,721.93
  4. Step 4: Simplify right side
    54,171.95x = 1,358,701,137.40
  5. Step 5: Solve for x
    x = 1,358,701,137.40/54,171.95
  6. Step 6: Final answer
    x = 25,081.27

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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.