Home / 54,682.09-82,047.17-19,168.99

Finding the Fourth Proportional to 54,682.09, 82,047.17 and 19,168.99

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Solution

The fourth proportional to 54,682.09, 82,047.17 and 19,168.99 is: 28,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.09 : 82,047.17 = 19,168.99 : x
  2. Step 2: Convert to fraction form
    54,682.09/82,047.17 = 19,168.99/x
  3. Step 3: Cross multiply
    54,682.09x = 82,047.17 × 19,168.99
  4. Step 4: Simplify right side
    54,682.09x = 1,572,761,381.26
  5. Step 5: Solve for x
    x = 1,572,761,381.26/54,682.09
  6. Step 6: Final answer
    x = 28,761.91

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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.