Home / 54,278.30-81,429.06-16,837.56

Finding the Fourth Proportional to 54,278.30, 81,429.06 and 16,837.56

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Solution

The fourth proportional to 54,278.30, 81,429.06 and 16,837.56 is: 25,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.30 : 81,429.06 = 16,837.56 : x
  2. Step 2: Convert to fraction form
    54,278.30/81,429.06 = 16,837.56/x
  3. Step 3: Cross multiply
    54,278.30x = 81,429.06 × 16,837.56
  4. Step 4: Simplify right side
    54,278.30x = 1,371,066,683.49
  5. Step 5: Solve for x
    x = 1,371,066,683.49/54,278.30
  6. Step 6: Final answer
    x = 25,259.94

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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.