Home / 54,391.23-81,583.51-16,946

Finding the Fourth Proportional to 54,391.23, 81,583.51 and 16,946

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Solution

The fourth proportional to 54,391.23, 81,583.51 and 16,946 is: 25,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.23 : 81,583.51 = 16,946 : x
  2. Step 2: Convert to fraction form
    54,391.23/81,583.51 = 16,946/x
  3. Step 3: Cross multiply
    54,391.23x = 81,583.51 × 16,946
  4. Step 4: Simplify right side
    54,391.23x = 1,382,514,160.46
  5. Step 5: Solve for x
    x = 1,382,514,160.46/54,391.23
  6. Step 6: Final answer
    x = 25,417.96

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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.