Home / 54,128.92-81,201.12-16,692.16

Finding the Fourth Proportional to 54,128.92, 81,201.12 and 16,692.16

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Solution

The fourth proportional to 54,128.92, 81,201.12 and 16,692.16 is: 25,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.92 : 81,201.12 = 16,692.16 : x
  2. Step 2: Convert to fraction form
    54,128.92/81,201.12 = 16,692.16/x
  3. Step 3: Cross multiply
    54,128.92x = 81,201.12 × 16,692.16
  4. Step 4: Simplify right side
    54,128.92x = 1,355,422,087.22
  5. Step 5: Solve for x
    x = 1,355,422,087.22/54,128.92
  6. Step 6: Final answer
    x = 25,040.63

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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.