Home / 53,396.82-80,128.17-27,120.42

Finding the Fourth Proportional to 53,396.82, 80,128.17 and 27,120.42

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Solution

The fourth proportional to 53,396.82, 80,128.17 and 27,120.42 is: 40,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.82 : 80,128.17 = 27,120.42 : x
  2. Step 2: Convert to fraction form
    53,396.82/80,128.17 = 27,120.42/x
  3. Step 3: Cross multiply
    53,396.82x = 80,128.17 × 27,120.42
  4. Step 4: Simplify right side
    53,396.82x = 2,173,109,624.23
  5. Step 5: Solve for x
    x = 2,173,109,624.23/53,396.82
  6. Step 6: Final answer
    x = 40,697.36

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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.