Home / 54,358.14-81,526.91-16,918.68

Finding the Fourth Proportional to 54,358.14, 81,526.91 and 16,918.68

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Solution

The fourth proportional to 54,358.14, 81,526.91 and 16,918.68 is: 25,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,358.14 : 81,526.91 = 16,918.68 : x
  2. Step 2: Convert to fraction form
    54,358.14/81,526.91 = 16,918.68/x
  3. Step 3: Cross multiply
    54,358.14x = 81,526.91 × 16,918.68
  4. Step 4: Simplify right side
    54,358.14x = 1,379,327,617.09
  5. Step 5: Solve for x
    x = 1,379,327,617.09/54,358.14
  6. Step 6: Final answer
    x = 25,374.81

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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.