Home / 54,478.05-81,721.79-15,035.17

Finding the Fourth Proportional to 54,478.05, 81,721.79 and 15,035.17

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Solution

The fourth proportional to 54,478.05, 81,721.79 and 15,035.17 is: 22,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.05 : 81,721.79 = 15,035.17 : x
  2. Step 2: Convert to fraction form
    54,478.05/81,721.79 = 15,035.17/x
  3. Step 3: Cross multiply
    54,478.05x = 81,721.79 × 15,035.17
  4. Step 4: Simplify right side
    54,478.05x = 1,228,701,005.35
  5. Step 5: Solve for x
    x = 1,228,701,005.35/54,478.05
  6. Step 6: Final answer
    x = 22,554.06

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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.