Home / 54,169.08-81,255.39-18,630.04

Finding the Fourth Proportional to 54,169.08, 81,255.39 and 18,630.04

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Solution

The fourth proportional to 54,169.08, 81,255.39 and 18,630.04 is: 27,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.08 : 81,255.39 = 18,630.04 : x
  2. Step 2: Convert to fraction form
    54,169.08/81,255.39 = 18,630.04/x
  3. Step 3: Cross multiply
    54,169.08x = 81,255.39 × 18,630.04
  4. Step 4: Simplify right side
    54,169.08x = 1,513,791,165.92
  5. Step 5: Solve for x
    x = 1,513,791,165.92/54,169.08
  6. Step 6: Final answer
    x = 27,945.67

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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.