Home / 53,626.62-80,419.41-18,078.42

Finding the Fourth Proportional to 53,626.62, 80,419.41 and 18,078.42

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Solution

The fourth proportional to 53,626.62, 80,419.41 and 18,078.42 is: 27,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,626.62 : 80,419.41 = 18,078.42 : x
  2. Step 2: Convert to fraction form
    53,626.62/80,419.41 = 18,078.42/x
  3. Step 3: Cross multiply
    53,626.62x = 80,419.41 × 18,078.42
  4. Step 4: Simplify right side
    53,626.62x = 1,453,855,870.13
  5. Step 5: Solve for x
    x = 1,453,855,870.13/53,626.62
  6. Step 6: Final answer
    x = 27,110.71

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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.