Home / 54,301.14-81,431.73-18,753.41

Finding the Fourth Proportional to 54,301.14, 81,431.73 and 18,753.41

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Solution

The fourth proportional to 54,301.14, 81,431.73 and 18,753.41 is: 28,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.14 : 81,431.73 = 18,753.41 : x
  2. Step 2: Convert to fraction form
    54,301.14/81,431.73 = 18,753.41/x
  3. Step 3: Cross multiply
    54,301.14x = 81,431.73 × 18,753.41
  4. Step 4: Simplify right side
    54,301.14x = 1,527,122,823.28
  5. Step 5: Solve for x
    x = 1,527,122,823.28/54,301.14
  6. Step 6: Final answer
    x = 28,123.22

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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.