Home / 54,079.26-81,118.89-19,010.76

Finding the Fourth Proportional to 54,079.26, 81,118.89 and 19,010.76

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Solution

The fourth proportional to 54,079.26, 81,118.89 and 19,010.76 is: 28,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.26 : 81,118.89 = 19,010.76 : x
  2. Step 2: Convert to fraction form
    54,079.26/81,118.89 = 19,010.76/x
  3. Step 3: Cross multiply
    54,079.26x = 81,118.89 × 19,010.76
  4. Step 4: Simplify right side
    54,079.26x = 1,542,131,749.26
  5. Step 5: Solve for x
    x = 1,542,131,749.26/54,079.26
  6. Step 6: Final answer
    x = 28,516.14

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1.5x scale

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.