Home / 54,078.98-81,126.23-16,642.22

Finding the Fourth Proportional to 54,078.98, 81,126.23 and 16,642.22

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Solution

The fourth proportional to 54,078.98, 81,126.23 and 16,642.22 is: 24,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.98 : 81,126.23 = 16,642.22 : x
  2. Step 2: Convert to fraction form
    54,078.98/81,126.23 = 16,642.22/x
  3. Step 3: Cross multiply
    54,078.98x = 81,126.23 × 16,642.22
  4. Step 4: Simplify right side
    54,078.98x = 1,350,120,078.59
  5. Step 5: Solve for x
    x = 1,350,120,078.59/54,078.98
  6. Step 6: Final answer
    x = 24,965.71

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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.